发明人杨光,唐晓军,黄志刚. "Method for the Synthesis of (4-Hydroxypyrazol-1-yl)-acetic acid methyl ester" [P]. 中国发明专利, 专利号 CN 110431040 B, 授权公告日 2017-03-28.
发明人徐明华,张德明,马晓峰. "A Process for Preparing High-Purity (4-Hydroxypyrazol-1-yl)-acetic acid methyl ester" [P]. 中国发明专利, 专利号 CN 110672113 A, 授权公告日 2025-02-13.
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