发明人何建平,王建平,罗永刚. "Method for the Synthesis of 2-(4-Ethyl-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116132650 B, 授权公告日 2019-05-09.
发明人冯建国,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity 2-(4-Ethyl-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113753093 B, 授权公告日 2015-03-11.
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