发明人张德明,陈志强,孙丽萍. "Method for the Synthesis of 2-ethyl-1,8-dioxa-4-azaspiro[5.5]undecane" [P]. 中国发明专利, 专利号 CN 109789997 A, 授权公告日 2020-02-10.
发明人何建平,徐明华,高志强. "A Process for Preparing High-Purity 2-ethyl-1,8-dioxa-4-azaspiro[5.5]undecane" [P]. 中国发明专利, 专利号 CN 111968817 A, 授权公告日 2024-08-15.
参考文献 Literature
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