发明人何建平,周伟,沈红梅. "Method for the Synthesis of 2-Chloro-N-(3-cyano-4,5-dimethylthiophen-2-yl)propanamide" [P]. 中国发明专利, 专利号 CN 111713659 A, 授权公告日 2022-03-09.
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". Environ. Sci. Technol., 2018, 1766, (11), 8659-8679.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 1860, (11), 7884-7892.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-N-(3-cyano-4,5-dimethylthiophen-2-yl)propanamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 2421, (4), 5375-5382.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 155, (5), 6324-6337.