发明人张德明,孙丽萍,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111042746 A, 授权公告日 2024-07-15.
发明人沈红梅,马晓峰,胡光. "Method for the Synthesis of Methyl 2-chloro-3-(2-chloro-5-(4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-4-fluorophenyl)propanoate" [P]. 中国发明专利, 专利号 CN 116438549 B, 授权公告日 2018-03-25.
发明人赵玉洁,冯建国,孙丽萍. "A Process for Preparing High-Purity Methyl 2-chloro-3-(2-chloro-5-(4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-4-fluorophenyl)propanoate" [P]. 中国发明专利, 专利号 CN 114212425 A, 授权公告日 2025-04-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 1717, (11), 8-16.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 404, (2), 220-236.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-chloro-3-(2-chloro-5-(4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-4-fluorophenyl)propanoate Using HRMS and NMR". Talanta, 2017, 766, (1), 5654-5684.