Chen K W, Klinger H, Hughes D C. "Method for the Synthesis of 2-ethynylthiazole-4-carboxylic acid" [P]. US Patent, US 10263015 B2, 2018-12-02.
Schröder R, Rossi M, Lefèvre J P. "A Process for Preparing High-Purity 2-ethynylthiazole-4-carboxylic acid" [P]. European Patent, EP 3830766 A1, 2022-06-25.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 1515, 6199-6216.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 914, 4021-4029.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-ethynylthiazole-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2017, 1043, 1492-1506.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 798, (11), 5308-5320.