Nowak P, Jørgensen K, Schröder R. "一种的合成方法" [P]. European Patent, EP 3273776 A1, 2021-07-20.
Mueller T, Davis P L, Chen K W. "Method for the Synthesis of Ethyl 2-amino-4-(2-methoxyphenyl)thiophene-3-carboxylate" [P]. US Patent, US 9126894 B2, 2023-03-21.
发明人沈红梅,何建平,罗永刚. "A Process for Preparing High-Purity Ethyl 2-amino-4-(2-methoxyphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114513497 B, 授权公告日 2022-02-21.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 1857, (2), 172-196.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 618, (11), 4652-4659.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-4-(2-methoxyphenyl)thiophene-3-carboxylate Using HRMS and NMR". Anal. Chem., 2020, 1482, (3), 4157-4174.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 711, (1), 1660-1684.