Park J H, Schröder R, Mueller T. "一种的合成方法" [P]. US Patent, US 10427505 B2, 2019-12-10.
发明人徐明华,郭海燕,黄志刚. "Method for the Synthesis of 1-(Difluoromethyl)-3-methyl-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 114865345 A, 授权公告日 2016-01-16.
发明人钱学锋,罗永刚,黄志刚. "A Process for Preparing High-Purity 1-(Difluoromethyl)-3-methyl-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 117204446 A, 授权公告日 2023-10-13.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 1253, 4759-4768.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 583, (10), 9350-9354.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Difluoromethyl)-3-methyl-1H-pyrazol-4-amine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 1810, (2), 8202-8224.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2010, 1580, 5675-5705.