Lefèvre J P, Björnsson E, Kowalski A. "Method for the Synthesis of 3'H-4-azaspiro[bicyclo[2.2.2]Octane-2,2'-furo[2,3-b]pyridine]" [P]. European Patent, EP 3680937 A1, 2020-01-04.
发明人赵玉洁,林芳,胡光. "A Process for Preparing High-Purity 3'H-4-azaspiro[bicyclo[2.2.2]Octane-2,2'-furo[2,3-b]pyridine]" [P]. 中国发明专利, 专利号 CN 115382929 A, 授权公告日 2023-06-09.
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