发明人赵玉洁,唐晓军,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112731398 A, 授权公告日 2019-07-21.
发明人沈红梅,何建平,胡光. "Method for the Synthesis of tert-Butyl 9-hydroxy-1-oxa-4-azaspiro[5.5]undecane-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111973327 A, 授权公告日 2023-07-07.
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