发明人孙丽萍,韩伟,朱建伟. "Method for the Synthesis of methyl 5-(difluoromethyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112157563 B, 授权公告日 2020-12-01.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 126, (8), 5038-5043.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 1994, (5), 2324-2343.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of methyl 5-(difluoromethyl)thiophene-2-carboxylate Using HRMS and NMR". Chromatographia, 2015, 563, 4658-4688.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2012, 2034, 6270-6299.