发明人沈红梅,郭海燕,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114977172 A, 授权公告日 2018-09-15.
发明人李文辉,朱建伟,钱学锋. "Method for the Synthesis of 4-Bromo-5-(n-ethylsulfamoyl)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108040236 A, 授权公告日 2017-03-16.
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, 2011, 389, (11), 1871-1899.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1095, 3060-3067.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-5-(n-ethylsulfamoyl)thiophene-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2014, 1667, 2495-2517.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 1968, (8), 7444-7470.