Johnson M A, Chen K W, Mueller T. "一种的合成方法" [P]. US Patent, US 9324565 B2, 2019-07-03.
发明人孙丽萍,何建平,罗永刚. "Method for the Synthesis of 2-Ethynyloxazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116290361 A, 授权公告日 2020-11-28.
Roberts E F, Kumar R, Patel M V. "A Process for Preparing High-Purity 2-Ethynyloxazole-5-carboxylic acid" [P]. US Patent, US 11104680 B2, 2024-08-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2022, 120, 5343-5351.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 867, (9), 588-591.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethynyloxazole-5-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2011, 567, 6363-6375.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 557, (11), 9633-9642.