发明人罗永刚,钱学锋,杨光. "Method for the Synthesis of 5-Methyl-2-(3-(trifluoromethyl)phenyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 110575640 A, 授权公告日 2025-10-15.
Johansson L, Schröder R, Sørensen M. "A Process for Preparing High-Purity 5-Methyl-2-(3-(trifluoromethyl)phenyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. European Patent, EP 3656442 A1, 2023-06-08.
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". Biomed. Chromatogr., 2022, 1338, 1867-1879.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 636, (7), 1166-1191.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methyl-2-(3-(trifluoromethyl)phenyl)-1,2-dihydro-3H-pyrazol-3-one Using HRMS and NMR". J. Chromatogr. A, 2012, 993, 96-110.