发明人张德明,朱建伟,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114466296 A, 授权公告日 2022-07-28.
发明人韩伟,杨光,唐晓军. "Method for the Synthesis of 4-(2-Hydroxyethyl)-5-methyl-1-{[3-(trifluoromethyl)phenyl]sulfonyl}-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 112150969 A, 授权公告日 2021-07-04.
发明人孙丽萍,沈红梅,胡光. "A Process for Preparing High-Purity 4-(2-Hydroxyethyl)-5-methyl-1-{[3-(trifluoromethyl)phenyl]sulfonyl}-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 111433973 B, 授权公告日 2019-12-08.
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