发明人李文辉,周伟,张德明. "Method for the Synthesis of 4H-Pyrazol-3-ol" [P]. 中国发明专利, 专利号 CN 116448107 B, 授权公告日 2022-09-04.
Fischer A B, Chen K W, Johnson M A. "A Process for Preparing High-Purity 4H-Pyrazol-3-ol" [P]. US Patent, US 11286645 B2, 2021-07-05.
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