发明人刘建华,马晓峰,周伟. "Method for the Synthesis of 2-(3-Nitrophenyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 110600482 A, 授权公告日 2023-10-19.
发明人刘建华,沈红梅,韩伟. "A Process for Preparing High-Purity 2-(3-Nitrophenyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 108655012 B, 授权公告日 2023-08-14.
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