发明人冯建国,韩伟,朱建伟. "Method for the Synthesis of Methyl 2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112911833 B, 授权公告日 2025-02-05.
发明人朱建伟,何建平,王建平. "A Process for Preparing High-Purity Methyl 2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112829960 B, 授权公告日 2017-05-04.
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". Talanta, 2010, 1550, (1), 732-760.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 420, 9622-9631.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-amino-4-(4-fluorophenyl)-5-methylthiophene-3-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2019, 2138, (12), 3665-3681.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 2258, (2), 5200-5219.