发明人王建平,张德明,胡光. "Method for the Synthesis of 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116228599 A, 授权公告日 2023-05-24.
发明人陈志强,何建平,沈红梅. "A Process for Preparing High-Purity 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116311572 A, 授权公告日 2020-01-28.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 798, (3), 5410-5424.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 1513, (6), 6064-6086.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". Anal. Chim. Acta, 2012, 1662, (6), 7412-7432.