发明人沈红梅,林芳,唐晓军. "Method for the Synthesis of 4-Chloro-3-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108947179 B, 授权公告日 2018-12-28.
发明人李文辉,胡光,唐晓军. "A Process for Preparing High-Purity 4-Chloro-3-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114177149 A, 授权公告日 2020-04-20.
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. Methods, 2011, 1251, (5), 313-340.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2411, (5), 1734-1751.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-3-methyl-1H-pyrrole-2-carboxylic acid Using HRMS and NMR". Phytochemistry, 2017, 889, (4), 371-394.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 1675, 8082-8097.