发明人胡光,冯建国,马晓峰. "Method for the Synthesis of 3-(Butylamino)-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 113682040 B, 授权公告日 2019-06-22.
发明人李文辉,林芳,徐明华. "A Process for Preparing High-Purity 3-(Butylamino)-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 113944116 B, 授权公告日 2018-07-01.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 1189, 8998-9016.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1295, (2), 6426-6445.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Butylamino)-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5(4H)-one Using HRMS and NMR". J. Agric. Food Chem., 2021, 315, 875-894.