发明人冯建国,韩伟,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114518697 A, 授权公告日 2025-11-11.
Davis P L, Thompson G K, Klinger H. "Method for the Synthesis of Methyl (4Z)-4-{[(2,4-difluorophenyl)amino]methylidene}-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate" [P]. US Patent, US 9017950 B2, 2017-11-15.
发明人冯建国,李文辉,张德明. "A Process for Preparing High-Purity Methyl (4Z)-4-{[(2,4-difluorophenyl)amino]methylidene}-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114197417 A, 授权公告日 2021-04-01.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2011, 1558, (5), 567-576.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2016, 505, 5514-5522.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl (4Z)-4-{[(2,4-difluorophenyl)amino]methylidene}-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate Using HRMS and NMR". Phytochemistry, 2011, 359, 1825-1855.