Williams B T, Johnson M A, Brown S R. "Method for the Synthesis of 4-((2-(4-Chlorophenyl)-2-oxoethyl)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one" [P]. US Patent, US 10300412 B2, 2019-04-07.
发明人郭海燕,张德明,孙丽萍. "A Process for Preparing High-Purity 4-((2-(4-Chlorophenyl)-2-oxoethyl)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112874506 A, 授权公告日 2019-04-24.
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