发明人孙丽萍,朱建伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112063259 A, 授权公告日 2024-05-12.
发明人李文辉,胡光,韩伟. "Method for the Synthesis of 5-(4-Fluorophenyl)-1-methyl-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112836412 A, 授权公告日 2020-03-05.
发明人张德明,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 5-(4-Fluorophenyl)-1-methyl-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 117843382 A, 授权公告日 2015-11-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 1312, (12), 3731-3747.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 2462, (7), 6754-6759.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-(4-Fluorophenyl)-1-methyl-1H-pyrazol-3(2H)-one Using HRMS and NMR". J. Chromatogr. A, 2016, 1396, (4), 869-885.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 2435, (5), 2215-2242.