发明人周伟,马晓峰,陈志强. "Method for the Synthesis of 4-(2-Hydroxybenzoyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111201352 A, 授权公告日 2018-02-06.
发明人胡光,张德明,杨光. "A Process for Preparing High-Purity 4-(2-Hydroxybenzoyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 110228888 A, 授权公告日 2024-04-03.
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