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API and pharmaceutical reference standards for drug development, QC and regulatory submission.

5-(2-(4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)ethyl)-2h-tetrazole structure

5-(2-(4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)ethyl)-2h-tetrazole

CAS: 1005566-25-5

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2-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanoic acid structure

2-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanoic acid

CAS: 1005566-34-6

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(E)-3-(1,5-dimethyl-1H-pyrazol-4-yl)-1-(p-tolyl)prop-2-en-1-one structure

(E)-3-(1,5-dimethyl-1H-pyrazol-4-yl)-1-(p-tolyl)prop-2-en-1-one

CAS: 1005566-38-0

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Methyl 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)propanoate structure

Methyl 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)propanoate

CAS: 1005566-41-5

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Methyl 1-((2-formylphenoxy)methyl)-1H-pyrazole-3-carboxylate structure

Methyl 1-((2-formylphenoxy)methyl)-1H-pyrazole-3-carboxylate

CAS: 1005566-45-9

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1-(1,3-Dimethyl-1H-pyrazol-4-yl)-2-mercapto-4-(4-methoxybenzylidene)-1H-imidazol-5(4H)-one structure

1-(1,3-Dimethyl-1H-pyrazol-4-yl)-2-mercapto-4-(4-methoxybenzylidene)-1H-imidazol-5(4H)-one

CAS: 1005566-73-3

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Ethyl 1-((1-methyl-1h-pyrazol-4-yl)sulfonyl)piperidine-3-carboxylate structure

Ethyl 1-((1-methyl-1h-pyrazol-4-yl)sulfonyl)piperidine-3-carboxylate

CAS: 1005568-79-5

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2-(Pentyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol structure

2-(Pentyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol

CAS: 100557-04-8

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2-((5-(Diethylamino)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)(hexyl)amino)ethanol structure

2-((5-(Diethylamino)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)(hexyl)amino)ethanol

CAS: 100557-06-0

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2-(Hexyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol structure

2-(Hexyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol

CAS: 100557-07-1

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n-(Benzo[d][1,3]dioxol-5-ylmethyl)pyridin-2-amine structure

n-(Benzo[d][1,3]dioxol-5-ylmethyl)pyridin-2-amine

CAS: 100557-14-0

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N-Methyl-1-tosyl-1H-indol-4-amine structure

N-Methyl-1-tosyl-1H-indol-4-amine

CAS: 100557-17-3

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1-(Phenylsulfonyl)-1H-indol-4-amine structure

1-(Phenylsulfonyl)-1H-indol-4-amine

CAS: 100557-22-0

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2-Amino-4-oxo-4,5-dihydrothiophene-3-carbonitrile structure

2-Amino-4-oxo-4,5-dihydrothiophene-3-carbonitrile

CAS: 100557-26-4

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2-(1-Methyl-1H-pyrazol-3-yl)-1H-benzo[d]imidazole structure

2-(1-Methyl-1H-pyrazol-3-yl)-1H-benzo[d]imidazole

CAS: 1005573-27-2

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Methyl 4-(5-hydroxy-3-methyl-1h-pyrazol-1-yl)benzoate structure

Methyl 4-(5-hydroxy-3-methyl-1h-pyrazol-1-yl)benzoate

CAS: 1005574-95-7

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3-(4-bromo-3-methyl-1H-pyrazol-1-yl)propanenitrile structure

3-(4-bromo-3-methyl-1H-pyrazol-1-yl)propanenitrile

CAS: 1005575-46-1

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1,3-Dimethyl-4-nitro-5-(trifluoromethyl)-1h-pyrazole structure

1,3-Dimethyl-4-nitro-5-(trifluoromethyl)-1h-pyrazole

CAS: 1005576-58-8

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1-((2-Chlorophenoxy)methyl)-4-nitro-1H-pyrazole structure

1-((2-Chlorophenoxy)methyl)-4-nitro-1H-pyrazole

CAS: 1005576-68-0

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Ethyl 2-(4-nitro-1h-pyrazol-1-yl)propanoate structure

Ethyl 2-(4-nitro-1h-pyrazol-1-yl)propanoate

CAS: 1005576-81-7

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Ethyl 2-(5-methyl-3-nitro-1h-pyrazol-1-yl)butanoate structure

Ethyl 2-(5-methyl-3-nitro-1h-pyrazol-1-yl)butanoate

CAS: 1005576-85-1

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2-(5-Methyl-3-nitro-1H-pyrazol-1-yl)propanehydrazide structure

2-(5-Methyl-3-nitro-1H-pyrazol-1-yl)propanehydrazide

CAS: 1005576-88-4

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1-ethyl-5-methyl-3-nitro-1h-pyraZole structure

1-ethyl-5-methyl-3-nitro-1h-pyraZole

CAS: 1005576-92-0

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Methyl 2-(5-methyl-3-nitro-1h-pyrazol-1-yl)propanoate structure

Methyl 2-(5-methyl-3-nitro-1h-pyrazol-1-yl)propanoate

CAS: 1005577-00-3

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Methyl 1-((5-fluoro-2-nitrophenoxy)methyl)-1h-pyrazole-3-carboxylate structure

Methyl 1-((5-fluoro-2-nitrophenoxy)methyl)-1h-pyrazole-3-carboxylate

CAS: 1005577-10-5

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2-(5-Methyl-3-nitro-1h-pyrazol-1-yl)butanoic acid structure

2-(5-Methyl-3-nitro-1h-pyrazol-1-yl)butanoic acid

CAS: 1005577-15-0

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Methyl 2-(3-methyl-4-nitro-1h-pyrazol-1-yl)propanoate structure

Methyl 2-(3-methyl-4-nitro-1h-pyrazol-1-yl)propanoate

CAS: 1005577-31-0

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4-Chloro-1-(4-methylbenzyl)-3-nitro-1H-pyrazole structure

4-Chloro-1-(4-methylbenzyl)-3-nitro-1H-pyrazole

CAS: 1005577-45-6

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2-(4-Chlorophenyl)-4-phenyl-1H-imidazole structure

2-(4-Chlorophenyl)-4-phenyl-1H-imidazole

CAS: 100558-20-1

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1-Butyl-5-hydroxyimidazolidine-2,4-dione structure

1-Butyl-5-hydroxyimidazolidine-2,4-dione

CAS: 100558-39-2

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1-Propyl-4-((4-((1s,4r)-4-propylcyclohexyl)phenyl)ethynyl)benzene structure

1-Propyl-4-((4-((1s,4r)-4-propylcyclohexyl)phenyl)ethynyl)benzene

CAS: 100558-53-0

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1-((1R,4r)-4-ethylcyclohexyl)-4-((4-propylphenyl)ethynyl)benzene structure

1-((1R,4r)-4-ethylcyclohexyl)-4-((4-propylphenyl)ethynyl)benzene

CAS: 100558-65-4

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5-(5-Mercapto-4-methyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazole-3-carboxylic acid structure

5-(5-Mercapto-4-methyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazole-3-carboxylic acid

CAS: 1005580-13-1

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Ethyl 3-(3,5-dimethyl-1-(methylsulfonyl)-1h-pyrazol-4-yl)propanoate structure

Ethyl 3-(3,5-dimethyl-1-(methylsulfonyl)-1h-pyrazol-4-yl)propanoate

CAS: 1005582-15-9

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2-(4-Methyl-1H-pyrazol-1-yl)propanoic acid structure

2-(4-Methyl-1H-pyrazol-1-yl)propanoic acid

CAS: 1005582-20-6

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4-Amino-1-ethyl-N-((tetrahydrofuran-2-yl)methyl)-1h-pyrazole-3-carboxamide structure

4-Amino-1-ethyl-N-((tetrahydrofuran-2-yl)methyl)-1h-pyrazole-3-carboxamide

CAS: 1005582-33-1

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3-Amino-6-(difluoromethyl)-4-(1-ethyl-5-methyl-1h-pyrazol-4-yl)thieno[2,3-b]pyridine-2-carboxamide structure

3-Amino-6-(difluoromethyl)-4-(1-ethyl-5-methyl-1h-pyrazol-4-yl)thieno[2,3-b]pyridine-2-carboxamide

CAS: 1005582-49-9

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2-(4-chloro-3-methyl-1h-pyraZol-1-yl)propanohydrazide structure

2-(4-chloro-3-methyl-1h-pyraZol-1-yl)propanohydrazide

CAS: 1005582-65-9

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4-((4-Chloro-3,5-bis(difluoromethyl)-1h-pyrazol-1-yl)methyl)benzoic acid structure

4-((4-Chloro-3,5-bis(difluoromethyl)-1h-pyrazol-1-yl)methyl)benzoic acid

CAS: 1005583-00-5

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2-(4-chloro-1h-pyraZol-1-yl)propanohydrazide structure

2-(4-chloro-1h-pyraZol-1-yl)propanohydrazide

CAS: 1005583-19-6

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Methyl 2-((4-amino-3,5-dimethyl-1h-pyrazol-1-yl)methyl)benzoate structure

Methyl 2-((4-amino-3,5-dimethyl-1h-pyrazol-1-yl)methyl)benzoate

CAS: 1005583-27-6

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2-(4-Bromo-1h-pyrazol-1-yl)propanehydrazide structure

2-(4-Bromo-1h-pyrazol-1-yl)propanehydrazide

CAS: 1005583-36-7

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5-{[4-chloro-3,5-bis(difluoromethyl)-1h-pyrazol-1-yl]methyl}furan-2-carboxylic acid structure

5-{[4-chloro-3,5-bis(difluoromethyl)-1h-pyrazol-1-yl]methyl}furan-2-carboxylic acid

CAS: 1005583-72-1

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Methyl 3-(4-chloro-5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)propanoate structure

Methyl 3-(4-chloro-5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)propanoate

CAS: 1005583-79-8

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4-Chloro-1-ethyl-1H-pyrazole-3-carbaldehyde structure

4-Chloro-1-ethyl-1H-pyrazole-3-carbaldehyde

CAS: 1005583-83-4

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3-(4-Iodo-3-methyl-1h-pyrazol-1-yl)propanoic acid structure

3-(4-Iodo-3-methyl-1h-pyrazol-1-yl)propanoic acid

CAS: 1005583-96-9

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1-((1-Methyl-1h-pyrazol-4-yl)methyl)-1,2-dihydro-3h-pyrazol-3-imine structure

1-((1-Methyl-1h-pyrazol-4-yl)methyl)-1,2-dihydro-3h-pyrazol-3-imine

CAS: 1005584-17-7

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2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)propanohydrazide structure

2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)propanohydrazide

CAS: 1005584-30-4

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2-[4-chloro-3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl]propanoic acid structure

2-[4-chloro-3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl]propanoic acid

CAS: 1005584-35-9

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2-(4-Bromo-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)propanoic acid structure

2-(4-Bromo-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)propanoic acid

CAS: 1005584-44-0

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4-Amino-N-benzyl-1-methyl-1h-pyrazole-3-carboxamide structure

4-Amino-N-benzyl-1-methyl-1h-pyrazole-3-carboxamide

CAS: 1005584-49-5

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4-Chloro-1h-pyrazole-3-carbohydrazide structure

4-Chloro-1h-pyrazole-3-carbohydrazide

CAS: 1005584-54-2

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Methyl 2-(5-cyclopropyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanoate structure

Methyl 2-(5-cyclopropyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanoate

CAS: 1005584-76-8

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methyl 4-chloro-1H-pyrazole-5-carboxylate structure

methyl 4-chloro-1H-pyrazole-5-carboxylate

CAS: 1005584-90-6

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4,4-Difluoro-1-(1-methyl-1h-pyrazol-4-yl)butane-1,3-dione structure

4,4-Difluoro-1-(1-methyl-1h-pyrazol-4-yl)butane-1,3-dione

CAS: 1005585-32-9

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Ethyl 2-(3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl)propanoate structure

Ethyl 2-(3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl)propanoate

CAS: 1005585-51-2

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1-(1,5-Dimethyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione structure

1-(1,5-Dimethyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione

CAS: 1005585-64-7

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3-(4-chloro-1h-pyraZol-1-yl)-2-methylpropanohydrazide structure

3-(4-chloro-1h-pyraZol-1-yl)-2-methylpropanohydrazide

CAS: 1005585-80-7

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methyl 4-(1,5-dimethyl-1h-pyraZol-4-yl)-2,4-dioxobutanoate structure

methyl 4-(1,5-dimethyl-1h-pyraZol-4-yl)-2,4-dioxobutanoate

CAS: 1005585-96-5

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2-[3,5-bis(difluoromethyl)-1h-pyrazol-1-yl]propanoic acid structure

2-[3,5-bis(difluoromethyl)-1h-pyrazol-1-yl]propanoic acid

CAS: 1005586-13-9

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methyl 2-(3-methyl-1h-pyraZol-1-yl)propanoate structure

methyl 2-(3-methyl-1h-pyraZol-1-yl)propanoate

CAS: 1005586-22-0

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Ethyl 1-methyl-3-(morpholine-4-carbonyl)-1h-pyrazole-5-carboxylate structure

Ethyl 1-methyl-3-(morpholine-4-carbonyl)-1h-pyrazole-5-carboxylate

CAS: 1005586-29-7

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2-(1-Methyl-4-nitro-1H-pyrazol-3-yl)-1H-benzo[d]imidazole structure

2-(1-Methyl-4-nitro-1H-pyrazol-3-yl)-1H-benzo[d]imidazole

CAS: 1005588-05-5

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4-Methoxy-6-(methylselanyl)pyrimidin-2-amine structure

4-Methoxy-6-(methylselanyl)pyrimidin-2-amine

CAS: 100559-66-8

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2-((2-Nitrophenyl)sulfonyl)acetonitrile structure

2-((2-Nitrophenyl)sulfonyl)acetonitrile

CAS: 100559-85-1

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Methyl 2-(4-oxo-2-phenylquinazolin-1(4H)-yl)acetate structure

Methyl 2-(4-oxo-2-phenylquinazolin-1(4H)-yl)acetate

CAS: 100559-93-1

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Methyl 4-(1,3-dimethyl-1h-pyrazol-4-yl)-2,4-dioxobutanoate structure

Methyl 4-(1,3-dimethyl-1h-pyrazol-4-yl)-2,4-dioxobutanoate

CAS: 1005591-81-0

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3-(Furan-2-yl)-1-phenyl-1h-pyrazol-5-ol structure

3-(Furan-2-yl)-1-phenyl-1h-pyrazol-5-ol

CAS: 1005591-87-6

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{[5-(1-ethyl-1H-pyrazol-3-yl)-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]thio}acetic acid structure

{[5-(1-ethyl-1H-pyrazol-3-yl)-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]thio}acetic acid

CAS: 1005592-03-9

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4-Iodo-1H-pyrazole-3-carbohydrazide structure

4-Iodo-1H-pyrazole-3-carbohydrazide

CAS: 1005592-09-5

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2-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanehydrazide structure

2-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanehydrazide

CAS: 1005592-15-3

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4,4,4-Trifluoro-1-(1-methyl-1h-pyrazol-4-yl)butane-1,3-dione structure

4,4,4-Trifluoro-1-(1-methyl-1h-pyrazol-4-yl)butane-1,3-dione

CAS: 1005592-50-6

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Ethyl 2-(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)butanoate structure

Ethyl 2-(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)butanoate

CAS: 1005592-59-5

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Methyl 5-methyl-7-(1-methyl-1H-pyrazol-4-yl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate structure

Methyl 5-methyl-7-(1-methyl-1H-pyrazol-4-yl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate

CAS: 1005594-85-3

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4-[(3,5-dimethyl-1h-pyrazol-1-yl)methyl]aniline structure

4-[(3,5-dimethyl-1h-pyrazol-1-yl)methyl]aniline

CAS: 1005596-25-7

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4-(5-Hydroxy-3-(trifluoromethyl)-1h-pyrazol-1-yl)benzoic acid structure

4-(5-Hydroxy-3-(trifluoromethyl)-1h-pyrazol-1-yl)benzoic acid

CAS: 1005598-79-7

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2,2,2-Trifluoro-N-propylacetamide structure

2,2,2-Trifluoro-N-propylacetamide

CAS: 10056-69-6

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5-Chloro-2-(methylsulfonyl)pyridine structure

5-Chloro-2-(methylsulfonyl)pyridine

CAS: 100560-78-9

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N-allyl-4-iodo-1-methyl-1H-pyrazole-5-carboxamide structure

N-allyl-4-iodo-1-methyl-1H-pyrazole-5-carboxamide

CAS: 1005601-97-7

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5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-thiadiazol-2-amine structure

5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-thiadiazol-2-amine

CAS: 1005607-34-0

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4-chloro-1-ethyl-1h-pyraZole-5-carboxaldehyde structure

4-chloro-1-ethyl-1h-pyraZole-5-carboxaldehyde

CAS: 1005609-70-0

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2-Azatricyclo[6.3.1.0,4,12]dodeca-1(11),8(12),9-trien-7-one structure

2-Azatricyclo[6.3.1.0,4,12]dodeca-1(11),8(12),9-trien-7-one

CAS: 100561-34-0

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1-(2-Bromophenyl)-3-cyclopropylurea structure

1-(2-Bromophenyl)-3-cyclopropylurea

CAS: 100561-74-8

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1-Cyclopropyl-3-(2-iodophenyl)urea structure

1-Cyclopropyl-3-(2-iodophenyl)urea

CAS: 100561-75-9

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1-(4-Bromo-1-ethyl-1h-pyrazol-3-yl)methanamine structure

1-(4-Bromo-1-ethyl-1h-pyrazol-3-yl)methanamine

CAS: 1005610-24-1

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1-[(1-methyl-1h-pyrazol-4-yl)sulfonyl]piperazine structure

1-[(1-methyl-1h-pyrazol-4-yl)sulfonyl]piperazine

CAS: 1005610-93-4

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4-Amino-5-(1,3-dimethyl-1H-pyrazol-4-yl)-4H-1,2,4-triazole-3-thiol structure

4-Amino-5-(1,3-dimethyl-1H-pyrazol-4-yl)-4H-1,2,4-triazole-3-thiol

CAS: 1005611-01-7

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1-[(1-ethyl-3-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-3-carboxylic acid structure

1-[(1-ethyl-3-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-3-carboxylic acid

CAS: 1005611-34-6

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Ethyl 6-amino-2-(chloromethyl)-5-cyano-4-(1-ethyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate structure

Ethyl 6-amino-2-(chloromethyl)-5-cyano-4-(1-ethyl-1H-pyrazol-4-yl)-4H-pyran-3-carboxylate

CAS: 1005611-67-5

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Methyl 2-(4-chloro-1h-pyrazol-1-yl)propanoate structure

Methyl 2-(4-chloro-1h-pyrazol-1-yl)propanoate

CAS: 1005611-73-3

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2-Methyl-3-(4-nitro-1H-pyrazol-1-yl)propanehydrazide structure

2-Methyl-3-(4-nitro-1H-pyrazol-1-yl)propanehydrazide

CAS: 1005611-75-5

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4-((3,5-Dimethyl-4-nitro-1H-pyrazol-1-yl)methoxy)-3-methoxybenzaldehyde structure

4-((3,5-Dimethyl-4-nitro-1H-pyrazol-1-yl)methoxy)-3-methoxybenzaldehyde

CAS: 1005612-25-8

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1-((2,6-Dichlorophenoxy)methyl)-4-nitro-1H-pyrazole structure

1-((2,6-Dichlorophenoxy)methyl)-4-nitro-1H-pyrazole

CAS: 1005612-29-2

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3-(3-Methoxy-4-nitro-1h-pyrazol-1-yl)propanoic acid structure

3-(3-Methoxy-4-nitro-1h-pyrazol-1-yl)propanoic acid

CAS: 1005612-48-5

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Methyl 2-((4-nitro-1h-pyrazol-1-yl)methyl)benzoate structure

Methyl 2-((4-nitro-1h-pyrazol-1-yl)methyl)benzoate

CAS: 1005612-69-0

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1-(1,5-Dimethyl-1h-pyrazol-4-yl)-4,4,4-trifluorobutane-1,3-dione structure

1-(1,5-Dimethyl-1h-pyrazol-4-yl)-4,4,4-trifluorobutane-1,3-dione

CAS: 1005612-96-3

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5-(2-(4-Nitro-1h-pyrazol-1-yl)ethyl)-2h-tetrazole structure

5-(2-(4-Nitro-1h-pyrazol-1-yl)ethyl)-2h-tetrazole

CAS: 1005613-35-3

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1-(1-Ethyl-5-methyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione structure

1-(1-Ethyl-5-methyl-1h-pyrazol-4-yl)-4,4-difluorobutane-1,3-dione

CAS: 1005613-67-1

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Ethyl 2-amino-4-methyl-5-(4-nitro-1H-pyrazol-1-yl)thiophene-3-carboxylate structure

Ethyl 2-amino-4-methyl-5-(4-nitro-1H-pyrazol-1-yl)thiophene-3-carboxylate

CAS: 1005613-82-0

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1,5-dimethyl-1H-pyrazole-4-sulfonyl chloride structure

1,5-dimethyl-1H-pyrazole-4-sulfonyl chloride

CAS: 1005613-94-4

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