发明人刘建华,周伟,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117575632 A, 授权公告日 2016-05-24.
发明人郭海燕,罗永刚,何建平. "Method for the Synthesis of 5-(1,1,1-Trifluoro-2-methylpropan-2-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113462238 B, 授权公告日 2020-11-18.
发明人何建平,高志强,赵玉洁. "A Process for Preparing High-Purity 5-(1,1,1-Trifluoro-2-methylpropan-2-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109373207 A, 授权公告日 2015-12-18.
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". Phytochemistry, 2025, 1613, 8588-8614.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 1719, 5537-5549.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-(1,1,1-Trifluoro-2-methylpropan-2-yl)-1,2,4-oxadiazole-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 2113, (12), 7059-7080.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 2452, (5), 2757-2764.