Rossi M, Sørensen M, Schröder R. "一种的合成方法" [P]. European Patent, EP 3370030 A1, 2021-07-01.
发明人朱建伟,何建平,徐明华. "Method for the Synthesis of 4-Amino-2-methylthiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114915145 A, 授权公告日 2019-09-12.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2012, 2283, (8), 5901-5927.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 2184, (5), 5150-5162.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-2-methylthiophene-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2011, 1175, 5589-5602.