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发明人赵玉洁,胡光,郭海燕. "Method for the Synthesis of Tert-butyl 2-amino-8-oxa-5-azaspiro[3.5]Nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117603059 B, 授权公告日 2017-03-10.
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