发明人王建平,高志强,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112547062 A, 授权公告日 2016-03-07.
发明人孙丽萍,张德明,韩伟. "Method for the Synthesis of Methyl 4,5-dimethylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115593665 B, 授权公告日 2022-08-15.
Park J H, Roberts E F, Yamamoto T. "A Process for Preparing High-Purity Methyl 4,5-dimethylthiophene-2-carboxylate" [P]. US Patent, US 10925477 B2, 2016-12-08.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2016, 663, (3), 5349-5360.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 1495, 4211-4219.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4,5-dimethylthiophene-2-carboxylate Using HRMS and NMR". Anal. Chem., 2010, 1938, 2753-2774.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 725, (8), 145-163.