发明人黄志刚,张德明,罗永刚. "Method for the Synthesis of 6-(Tert-butoxycarbonyl)-2-oxa-6-azaspiro[3.3]Heptane-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116584829 A, 授权公告日 2020-06-03.
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