发明人李文辉,钱学锋,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112243844 A, 授权公告日 2019-05-07.
发明人林芳,胡光,何建平. "Method for the Synthesis of 5-(Pyridin-3-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114504577 A, 授权公告日 2025-12-03.
Sørensen M, Rossi M, Schröder R. "A Process for Preparing High-Purity 5-(Pyridin-3-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. European Patent, EP 3453911 A1, 2018-06-21.
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". Biomed. Chromatogr., 2012, 288, 9220-9234.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 1530, (11), 1468-1481.