发明人黄志刚,杨光,张德明. "Method for the Synthesis of Ethyl 2-amino-4-(3,4,5-trimethylphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113149514 B, 授权公告日 2024-03-23.
发明人郭海燕,杨光,何建平. "A Process for Preparing High-Purity Ethyl 2-amino-4-(3,4,5-trimethylphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110778892 A, 授权公告日 2019-04-12.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 153, 3640-3669.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 650, 7947-7964.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-4-(3,4,5-trimethylphenyl)thiophene-3-carboxylate Using HRMS and NMR". Food Chem., 2021, 2136, (10), 1173-1200.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 458, (6), 3960-3966.