发明人沈红梅,马晓峰,胡光. "Method for the Synthesis of 3-(4-Ethoxyphenyl)-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 113208246 A, 授权公告日 2023-06-15.
发明人冯建国,黄志刚,杨光. "A Process for Preparing High-Purity 3-(4-Ethoxyphenyl)-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 111243765 A, 授权公告日 2017-07-24.
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