发明人黄志刚,林芳,朱建伟. "Method for the Synthesis of 6,6-Difluoro-2-azaspiro[3.3]heptane Trifluoroacetate" [P]. 中国发明专利, 专利号 CN 112223798 A, 授权公告日 2017-03-25.
发明人沈红梅,张德明,马晓峰. "A Process for Preparing High-Purity 6,6-Difluoro-2-azaspiro[3.3]heptane Trifluoroacetate" [P]. 中国发明专利, 专利号 CN 114669633 B, 授权公告日 2025-12-27.
参考文献 Literature
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