发明人何建平,孙丽萍,徐明华. "Method for the Synthesis of 3-(Thiophen-2-yl)isothiazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109343200 A, 授权公告日 2020-12-27.
Anderson J P, O'Brien P Q, Roberts E F. "A Process for Preparing High-Purity 3-(Thiophen-2-yl)isothiazole-5-carboxylic acid" [P]. US Patent, US 9135710 B2, 2022-01-09.
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". Chromatographia, 2023, 1413, (4), 6669-6681.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2267, (8), 3805-3810.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Thiophen-2-yl)isothiazole-5-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 678, (12), 7646-7672.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 1000, (12), 9004-9024.