发明人刘建华,徐明华,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113994353 A, 授权公告日 2025-03-26.
发明人沈红梅,何建平,马晓峰. "Method for the Synthesis of 1-Ethyl-5-methyl-N-((1-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114708252 B, 授权公告日 2016-12-25.
发明人黄志刚,钱学锋,朱建伟. "A Process for Preparing High-Purity 1-Ethyl-5-methyl-N-((1-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 115981213 A, 授权公告日 2022-07-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 2077, (8), 2426-2450.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 1785, (10), 9023-9040.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-5-methyl-N-((1-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride Using HRMS and NMR". J. Nat. Prod., 2020, 1268, (3), 9567-9577.