发明人孙丽萍,李文辉,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114187237 A, 授权公告日 2024-02-04.
Mueller T, Lee S K, Patel M V. "Method for the Synthesis of 2-Cyclopentyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. US Patent, US 11522067 B2, 2017-08-12.
发明人何建平,朱建伟,孙丽萍. "A Process for Preparing High-Purity 2-Cyclopentyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 117244693 B, 授权公告日 2025-05-18.
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". Molecules, 2014, 1163, (6), 6628-6658.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 895, (7), 4737-4752.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopentyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one Using HRMS and NMR". Sci. Total Environ., 2011, 157, (5), 9551-9566.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 1425, (11), 9840-9862.