Fischer A B, Anderson J P, Davis P L. "Method for the Synthesis of 1-(3,5-Dimethyl-1-phenyl-1h-pyrazol-4-yl)piperazine" [P]. US Patent, US 10674577 B2, 2015-11-15.
发明人韩伟,赵玉洁,马晓峰. "A Process for Preparing High-Purity 1-(3,5-Dimethyl-1-phenyl-1h-pyrazol-4-yl)piperazine" [P]. 中国发明专利, 专利号 CN 108514276 B, 授权公告日 2020-12-28.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 2408, (1), 2645-2663.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 1988, 1630-1643.