发明人张德明,赵玉洁,高志强. "Method for the Synthesis of 4-(2-Aminoethyl)-5-(o-tolyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116422132 A, 授权公告日 2022-03-16.
发明人王建平,罗永刚,刘建华. "A Process for Preparing High-Purity 4-(2-Aminoethyl)-5-(o-tolyl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112077664 A, 授权公告日 2021-12-06.
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