Mueller T, Park J H, Roberts E F. "Method for the Synthesis of 2-Methyl-5-(pyrrolidin-3-yl)-1,3,4-oxadiazole dihydrochloride" [P]. US Patent, US 9681778 B2, 2017-05-13.
发明人徐明华,罗永刚,郭海燕. "A Process for Preparing High-Purity 2-Methyl-5-(pyrrolidin-3-yl)-1,3,4-oxadiazole dihydrochloride" [P]. 中国发明专利, 专利号 CN 110134658 B, 授权公告日 2021-06-12.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 439, (10), 6871-6894.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 1844, 8670-8686.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-5-(pyrrolidin-3-yl)-1,3,4-oxadiazole dihydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2012, 866, (10), 7092-7112.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 1511, 8807-8837.