Rossi M, Lefèvre J P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3402786 A1, 2024-09-15.
发明人徐明华,朱建伟,钱学锋. "Method for the Synthesis of 3-(Methoxymethyl)-4-({[4-(trifluoromethoxy)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 109458252 B, 授权公告日 2017-02-23.
发明人胡光,郑宇鹏,刘建华. "A Process for Preparing High-Purity 3-(Methoxymethyl)-4-({[4-(trifluoromethoxy)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 113131872 A, 授权公告日 2020-04-16.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 175, 1135-1163.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 817, (7), 5901-5913.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Methoxymethyl)-4-({[4-(trifluoromethoxy)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one Using HRMS and NMR". Anal. Methods, 2022, 1355, (9), 8029-8044.