发明人郭海燕,罗永刚,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109726907 A, 授权公告日 2016-10-21.
发明人黄志刚,孙丽萍,胡光. "Method for the Synthesis of 5-(2-Chloro-4-fluorophenyl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113396748 B, 授权公告日 2022-05-01.
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". Anal. Chem., 2011, 2170, (9), 9354-9373.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 2396, (9), 9709-9717.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Chloro-4-fluorophenyl)-1,2,4-oxadiazole-3-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2010, 688, (12), 8186-8197.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2013, 548, (12), 1640-1651.