发明人刘建华,郭海燕,马晓峰. "Method for the Synthesis of Tert-butyl 2-(hydroxymethyl)-1-oxa-5-azaspiro[2.3]Hexane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108489295 A, 授权公告日 2018-12-19.
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