O'Brien P Q, Fischer A B, Davis P L. "一种的合成方法" [P]. US Patent, US 9689545 B2, 2022-09-21.
Martínez F, Sørensen M, Schröder R. "Method for the Synthesis of 1-(3-Chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one" [P]. European Patent, EP 3819849 A1, 2024-09-24.
发明人杨光,黄志刚,刘建华. "A Process for Preparing High-Purity 1-(3-Chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 113336429 A, 授权公告日 2019-12-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 2266, (3), 4138-4146.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 1145, (7), 507-513.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one Using HRMS and NMR". Chromatographia, 2010, 1291, (1), 2265-2270.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 168, (6), 8567-8593.