发明人杨光,胡光,林芳. "Method for the Synthesis of 2-[(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-1,3-thiazolidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115369540 B, 授权公告日 2018-07-05.
Schröder R, Kowalski A, Rossi M. "A Process for Preparing High-Purity 2-[(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-1,3-thiazolidine-4-carboxylic acid" [P]. European Patent, EP 3943721 A1, 2022-05-12.
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". J. Chromatogr. A, 2019, 612, 5223-5236.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 2279, 6907-6925.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-1,3-thiazolidine-4-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2023, 1251, (9), 2281-2284.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2011, 395, (4), 564-567.