发明人周伟,何建平,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117637901 A, 授权公告日 2022-02-06.
Lefèvre J P, Johansson L, Mueller T C. "Method for the Synthesis of 3-Methyl-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one" [P]. European Patent, EP 3021728 A1, 2016-07-12.
发明人韩伟,罗永刚,胡光. "A Process for Preparing High-Purity 3-Methyl-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one" [P]. 中国发明专利, 专利号 CN 116059190 B, 授权公告日 2018-08-18.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2011, 2312, (6), 3345-3351.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1392, (12), 1239-1263.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one Using HRMS and NMR". Anal. Chim. Acta, 2013, 956, 5217-5229.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 517, (12), 4764-4792.