发明人冯建国,徐明华,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111753871 A, 授权公告日 2015-12-25.
发明人冯建国,孙丽萍,李文辉. "Method for the Synthesis of 5-(Ethoxycarbonyl)-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 115375738 A, 授权公告日 2015-06-19.
发明人唐晓军,刘建华,赵玉洁. "A Process for Preparing High-Purity 5-(Ethoxycarbonyl)-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 112360135 A, 授权公告日 2020-09-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 1450, 1982-1993.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 1971, 8414-8432.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Ethoxycarbonyl)-2-methoxybenzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 1071, 2217-2226.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 1647, (3), 8215-8242.