发明人李文辉,罗永刚,林芳. "Method for the Synthesis of 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide" [P]. 中国发明专利, 专利号 CN 111200252 B, 授权公告日 2015-02-24.
发明人杨光,周伟,徐明华. "A Process for Preparing High-Purity 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide" [P]. 中国发明专利, 专利号 CN 108974471 A, 授权公告日 2018-08-01.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 862, (3), 4558-4574.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2025, 1395, 9898-9908.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide Using HRMS and NMR". Anal. Chim. Acta, 2019, 1239, 4413-4419.