发明人马晓峰,唐晓军,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110920238 A, 授权公告日 2017-03-21.
发明人孙丽萍,胡光,钱学锋. "Method for the Synthesis of 4-(Methoxycarbonyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110199694 B, 授权公告日 2025-05-27.
发明人胡光,钱学锋,李文辉. "A Process for Preparing High-Purity 4-(Methoxycarbonyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113009780 B, 授权公告日 2015-02-03.
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". J. Chromatogr. A, 2010, 706, (6), 755-777.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 1852, (5), 1689-1697.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methoxycarbonyl)thiophene-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 2247, 8183-8202.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 1437, (9), 9768-9774.