发明人赵玉洁,钱学锋,罗永刚. "Method for the Synthesis of 5-(2-Methylphenyl)-3H-1,3,4-oxadiazol-2-one" [P]. 中国发明专利, 专利号 CN 115997585 B, 授权公告日 2022-06-03.
发明人周伟,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity 5-(2-Methylphenyl)-3H-1,3,4-oxadiazol-2-one" [P]. 中国发明专利, 专利号 CN 114957913 A, 授权公告日 2025-12-15.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 1818, 5019-5023.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1377, (8), 3242-3254.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Methylphenyl)-3H-1,3,4-oxadiazol-2-one Using HRMS and NMR". Molecules, 2023, 344, 8535-8559.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 741, 5100-5130.