发明人罗永刚,张德明,郑宇鹏. "Method for the Synthesis of Ethyl 1-(3,4-dichlorophenyl)-4-formyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111084041 B, 授权公告日 2020-08-11.
发明人何建平,刘建华,黄志刚. "A Process for Preparing High-Purity Ethyl 1-(3,4-dichlorophenyl)-4-formyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115301959 B, 授权公告日 2024-07-20.
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