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发明人罗永刚,韩伟,黄志刚. "Method for the Synthesis of 1-(4-Nitrophenyl)-3-(piperidin-1-yl)-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 114996691 B, 授权公告日 2020-12-09.
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