发明人刘建华,高志强,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113723785 A, 授权公告日 2015-11-17.
发明人马晓峰,钱学锋,沈红梅. "Method for the Synthesis of (4Z)-4-({[(4-chlorophenyl)methyl]amino}methylidene)-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 109067775 B, 授权公告日 2017-10-03.
发明人何建平,郑宇鹏,胡光. "A Process for Preparing High-Purity (4Z)-4-({[(4-chlorophenyl)methyl]amino}methylidene)-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 116686377 B, 授权公告日 2021-10-18.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 1488, 3216-3234.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 2159, 205-231.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (4Z)-4-({[(4-chlorophenyl)methyl]amino}methylidene)-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one Using HRMS and NMR". Talanta, 2011, 314, (6), 3925-3931.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 867, 9323-9347.