发明人刘建华,韩伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113422624 A, 授权公告日 2017-09-02.
发明人张德明,李文辉,王建平. "Method for the Synthesis of 2-Amino-4-(3,4-dimethoxyphenyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108924449 A, 授权公告日 2024-01-26.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2024, 1584, 534-545.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 1540, 8178-8191.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-(3,4-dimethoxyphenyl)thiophene-3-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2019, 2380, 8628-8650.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 1745, 6341-6368.