发明人徐明华,孙丽萍,何建平. "Method for the Synthesis of Ethyl 5-(3,4-dimethoxyphenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114692229 B, 授权公告日 2018-09-02.
发明人朱建伟,张德明,周伟. "A Process for Preparing High-Purity Ethyl 5-(3,4-dimethoxyphenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112544838 A, 授权公告日 2018-07-02.
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