发明人郭海燕,郑宇鹏,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109596322 A, 授权公告日 2021-01-01.
发明人郑宇鹏,张德明,孙丽萍. "Method for the Synthesis of Methyl 4-bromo-5-cyano-3-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108172494 A, 授权公告日 2017-02-14.
发明人赵玉洁,刘建华,徐明华. "A Process for Preparing High-Purity Methyl 4-bromo-5-cyano-3-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117074100 B, 授权公告日 2025-09-09.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2021, 100, 2436-2458.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2014, 2201, (8), 7373-7380.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-bromo-5-cyano-3-methylthiophene-2-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2021, 1327, 173-177.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2025, 835, (3), 3108-3132.