发明人胡光,孙丽萍,高志强. "Method for the Synthesis of 5,5-Difluoro-2-azaspiro[3.3]heptane trifluoroacetate" [P]. 中国发明专利, 专利号 CN 113905724 A, 授权公告日 2023-07-26.
发明人高志强,何建平,唐晓军. "A Process for Preparing High-Purity 5,5-Difluoro-2-azaspiro[3.3]heptane trifluoroacetate" [P]. 中国发明专利, 专利号 CN 117306943 A, 授权公告日 2022-05-08.
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