发明人罗永刚,李文辉,沈红梅. "Method for the Synthesis of 3-(Methylamino)-1-phenyl-2,3-dihydroquinazoline-4(1H)-thione" [P]. 中国发明专利, 专利号 CN 113788790 A, 授权公告日 2018-11-21.
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