发明人徐明华,胡光,罗永刚. "Method for the Synthesis of 2-(4-Ethoxy-1H-pyrazol-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111351561 B, 授权公告日 2018-05-15.
Brown S R, Lee S K, Hughes D C. "A Process for Preparing High-Purity 2-(4-Ethoxy-1H-pyrazol-3-yl)acetic acid" [P]. US Patent, US 11709851 B2, 2018-11-22.
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