发明人周伟,钱学锋,黄志刚. "Method for the Synthesis of Methyl 2-exo-(8-benzyl-6,6-difluoro-8-azabicyclo[3.2.1]octan-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 108799264 A, 授权公告日 2024-02-03.
发明人钱学锋,杨光,胡光. "A Process for Preparing High-Purity Methyl 2-exo-(8-benzyl-6,6-difluoro-8-azabicyclo[3.2.1]octan-3-yl)acetate" [P]. 中国发明专利, 专利号 CN 114124877 B, 授权公告日 2019-07-28.
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