发明人陈志强,唐晓军,罗永刚. "Method for the Synthesis of 5-(3-Methoxyphenyl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110081572 B, 授权公告日 2022-07-23.
发明人林芳,黄志刚,胡光. "A Process for Preparing High-Purity 5-(3-Methoxyphenyl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108566658 A, 授权公告日 2025-08-03.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2023, 2073, 4017-4035.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 1864, 5976-5991.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5-(3-Methoxyphenyl)-1,2,4-oxadiazole-3-carboxylic acid Using HRMS and NMR". Talanta, 2018, 1374, (12), 6449-6458.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1876, 8525-8529.