发明人周伟,韩伟,杨光. "Method for the Synthesis of 3-methoxy-5-(methoxycarbonyl)thiophene-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 117038037 A, 授权公告日 2022-08-20.
发明人郑宇鹏,唐晓军,林芳. "A Process for Preparing High-Purity 3-methoxy-5-(methoxycarbonyl)thiophene-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 110530457 A, 授权公告日 2017-09-23.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 3-methoxy-5-(methoxycarbonyl)thiophene-2-sulfonic acid in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 1416, (3), 7651-7675.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methoxy-5-(methoxycarbonyl)thiophene-2-sulfonic acid as an Impurity". J. Pharm. Biomed. Anal., 2021, 2015, 2340-2368.