发明人徐明华,杨光,黄志刚. "Method for the Synthesis of 5-(2-Methylbenzyl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111220386 B, 授权公告日 2018-05-25.
发明人罗永刚,高志强,赵玉洁. "A Process for Preparing High-Purity 5-(2-Methylbenzyl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117730540 A, 授权公告日 2015-04-01.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 432, (3), 3635-3653.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2016, 1295, (11), 738-746.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Methylbenzyl)-1,2,4-oxadiazole-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2011, 1687, 8340-8352.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 299, (8), 9919-9938.