发明人马晓峰,冯建国,黄志刚. "Method for the Synthesis of 9-(3,5-Dihydro-2H-benzo[e][1,4]dioxepin-3-yl)-6-phenyl-9H-purine" [P]. 中国发明专利, 专利号 CN 110494252 B, 授权公告日 2021-11-01.
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