发明人罗永刚,王建平,高志强. "Method for the Synthesis of Tert-butyl (R)-7,7-difluoro-5-(hydroxymethyl)-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112317786 A, 授权公告日 2024-02-12.
Kumar R, Yamamoto T, Schröder R. "A Process for Preparing High-Purity Tert-butyl (R)-7,7-difluoro-5-(hydroxymethyl)-2-azaspiro[3.4]Octane-2-carboxylate" [P]. US Patent, US 10622521 B2, 2017-06-19.
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