发明人黄志刚,罗永刚,韩伟. "Method for the Synthesis of Tert-butyl (9-benzyl-1-oxa-9-azaspiro[5.5]Undecan-4-yl)carbamate" [P]. 中国发明专利, 专利号 CN 110166465 A, 授权公告日 2017-01-12.
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