发明人黄志刚,李文辉,周伟. "Method for the Synthesis of 3-Methyl-5-(1-methyl-1,2,5,6-tetrahydropyridin-3-yl)-1,2,4-oxadiazole hydrochloride" [P]. 中国发明专利, 专利号 CN 110089475 B, 授权公告日 2022-06-27.
发明人高志强,罗永刚,李文辉. "A Process for Preparing High-Purity 3-Methyl-5-(1-methyl-1,2,5,6-tetrahydropyridin-3-yl)-1,2,4-oxadiazole hydrochloride" [P]. 中国发明专利, 专利号 CN 115892634 A, 授权公告日 2019-02-02.
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". Talanta, 2018, 2429, 5306-5318.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 471, (2), 8649-8658.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-5-(1-methyl-1,2,5,6-tetrahydropyridin-3-yl)-1,2,4-oxadiazole hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2014, 1951, (7), 2529-2556.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 460, (12), 7691-7706.