发明人赵玉洁,徐明华,陈志强. "Method for the Synthesis of tert-Butyl 9-hydroxy-3-azaspiro[5.5]undecane-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113596905 A, 授权公告日 2022-09-21.
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