发明人高志强,唐晓军,孙丽萍. "一种1-(4-氨基苯基)-1,2-二氢-5-甲基-3H-吡唑-3-酮的合成方法" [P]. 中国发明专利, 专利号 CN 116890386 A, 授权公告日 2019-12-08.
发明人李文辉,刘建华,杨光. "Method for the Synthesis of 1-(4-Aminophenyl)-5-methyl-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116535660 B, 授权公告日 2019-08-23.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(4-氨基苯基)-1,2-二氢-5-甲基-3H-吡唑-3-酮 in Pharmaceutical Formulations". Chemosphere, 2012, 526, (11), 8765-8787.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(4-氨基苯基)-1,2-二氢-5-甲基-3H-吡唑-3-酮 as an Impurity". Chromatographia, 2021, 1624, 5877-5899.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Aminophenyl)-5-methyl-1H-pyrazol-3(2H)-one Using HRMS and NMR". J. Chromatogr. A, 2023, 1653, (2), 5241-5255.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 1-(4-氨基苯基)-1,2-二氢-5-甲基-3H-吡唑-3-酮 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 2151, (8), 4157-4166.