发明人郑宇鹏,韩伟,孙丽萍. "Method for the Synthesis of 4-Oxo-N,1-diphenyl-4,5-dihydro-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 113161653 A, 授权公告日 2025-06-03.
发明人周伟,韩伟,高志强. "A Process for Preparing High-Purity 4-Oxo-N,1-diphenyl-4,5-dihydro-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 115460756 B, 授权公告日 2018-04-03.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 965, (5), 3226-3254.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1208, 6578-6608.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-N,1-diphenyl-4,5-dihydro-1H-pyrazole-3-carboxamide Using HRMS and NMR". Anal. Chim. Acta, 2021, 1614, (6), 1816-1823.