发明人唐晓军,沈红梅,钱学锋. "Method for the Synthesis of 3-(P-Tolyl)-1,2,4-oxadiazole-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 116448968 A, 授权公告日 2019-02-24.
发明人李文辉,郑宇鹏,徐明华. "A Process for Preparing High-Purity 3-(P-Tolyl)-1,2,4-oxadiazole-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 114951264 A, 授权公告日 2015-01-09.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 1123, 4877-4904.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2024, 981, 996-1019.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-(P-Tolyl)-1,2,4-oxadiazole-5-carbohydrazide Using HRMS and NMR". J. Chromatogr. A, 2010, 1533, (8), 234-240.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2014, 1308, 6284-6305.