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发明人刘建华,郭海燕,陈志强. "Method for the Synthesis of Ethyl 5-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116637116 B, 授权公告日 2020-06-24.
发明人沈红梅,张德明,朱建伟. "A Process for Preparing High-Purity Ethyl 5-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111955777 A, 授权公告日 2023-09-18.
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