发明人唐晓军,孙丽萍,黄志刚. "Method for the Synthesis of 4-amino-2,3-dihydro-1H-pyrazol-3-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 108528581 B, 授权公告日 2023-02-21.
Rossi M, Björnsson E, Lefèvre J P. "A Process for Preparing High-Purity 4-amino-2,3-dihydro-1H-pyrazol-3-one dihydrochloride" [P]. European Patent, EP 3325260 A1, 2025-01-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 4-amino-2,3-dihydro-1H-pyrazol-3-one dihydrochloride in Pharmaceutical Formulations". J. Nat. Prod., 2017, 660, 3519-3523.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-amino-2,3-dihydro-1H-pyrazol-3-one dihydrochloride as an Impurity". Food Chem., 2014, 1868, (4), 8641-8656.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-amino-2,3-dihydro-1H-pyrazol-3-one dihydrochloride Using HRMS and NMR". Chemosphere, 2022, 2297, (8), 2090-2103.