发明人冯建国,钱学锋,徐明华. "Method for the Synthesis of Tert-butyl 6-azaspiro[2.5]Octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115827354 B, 授权公告日 2021-04-17.
Park J H, Schröder R, O'Brien P Q. "A Process for Preparing High-Purity Tert-butyl 6-azaspiro[2.5]Octane-6-carboxylate" [P]. US Patent, US 9080197 B2, 2018-07-28.
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