O'Brien P Q, Park J H, Brown S R. "一种的合成方法" [P]. US Patent, US 10615032 B2, 2022-08-17.
Nowak P, Mueller T C, Nielsen H. "Method for the Synthesis of 5-Acetyl-2-amino-4-methylthiophene-3-carboxylic acid" [P]. European Patent, EP 3045757 A1, 2015-09-20.
发明人唐晓军,李文辉,周伟. "A Process for Preparing High-Purity 5-Acetyl-2-amino-4-methylthiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108568371 B, 授权公告日 2022-04-05.
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. Agric. Food Chem., 2016, 996, 9832-9849.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 125, (10), 8995-9019.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Acetyl-2-amino-4-methylthiophene-3-carboxylic acid Using HRMS and NMR". Chemosphere, 2015, 1855, 4494-4524.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2023, 1424, 1204-1230.