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发明人李文辉,罗永刚,沈红梅. "Method for the Synthesis of 3-Isopropyl-5-(4-nitrophenyl)-1,3,4-oxadiazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 114505298 B, 授权公告日 2018-03-07.
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