发明人徐明华,何建平,黄志刚. "Method for the Synthesis of 4-Chloro-5-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108465597 B, 授权公告日 2020-12-02.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 693, (10), 3721-3725.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1752, (10), 820-849.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-methylthiophene-2-carboxylic acid Using HRMS and NMR". Anal. Methods, 2015, 1504, (11), 8109-8126.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2017, 1558, (10), 2196-2220.