发明人孙丽萍,徐明华,刘建华. "一种5-氯-1-(2-氯苯基)-1-吡唑-4-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 110728763 A, 授权公告日 2022-10-20.
Kumar R, Johnson M A, Chen K W. "Method for the Synthesis of Ethyl 5-chloro-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate" [P]. US Patent, US 10943870 B2, 2021-03-23.
发明人赵玉洁,冯建国,唐晓军. "A Process for Preparing High-Purity Ethyl 5-chloro-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117843215 A, 授权公告日 2016-11-02.
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