发明人李文辉,沈红梅,高志强. "Method for the Synthesis of 1,3-dimethyl-5-(2-methyl-1H-imidazol-1-yl)-1H-pyrazole-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 108765612 A, 授权公告日 2015-12-28.
发明人黄志刚,唐晓军,郭海燕. "A Process for Preparing High-Purity 1,3-dimethyl-5-(2-methyl-1H-imidazol-1-yl)-1H-pyrazole-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 115093817 B, 授权公告日 2021-05-21.
参考文献 Literature
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Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,3-dimethyl-5-(2-methyl-1H-imidazol-1-yl)-1H-pyrazole-4-carboxylic acid hydrochloride as an Impurity". Environ. Sci. Technol., 2020, 1774, 2306-2309.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-dimethyl-5-(2-methyl-1H-imidazol-1-yl)-1H-pyrazole-4-carboxylic acid hydrochloride Using HRMS and NMR". J. Nat. Prod., 2014, 2196, (7), 1846-1868.