发明人徐明华,钱学锋,朱建伟. "Method for the Synthesis of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108320099 A, 授权公告日 2022-06-10.
发明人林芳,黄志刚,韩伟. "A Process for Preparing High-Purity 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109561952 B, 授权公告日 2019-01-05.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 2374, (7), 7538-7546.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 837, 1455-1465.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one Using HRMS and NMR". J. Nat. Prod., 2020, 1832, (1), 5019-5042.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2024, 2364, 729-758.