Martínez F, Nowak P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3293294 A1, 2020-07-26.
发明人钱学锋,林芳,沈红梅. "Method for the Synthesis of Methyl 3-amino-4-methylthiophene-2-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 111853225 B, 授权公告日 2020-05-18.
发明人赵玉洁,张德明,陈志强. "A Process for Preparing High-Purity Methyl 3-amino-4-methylthiophene-2-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 117451162 B, 授权公告日 2021-01-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2025, 439, (8), 6278-6287.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 245, (12), 8563-8572.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-amino-4-methylthiophene-2-carboxylate hydrochloride Using HRMS and NMR". Chromatographia, 2012, 201, (1), 7336-7360.