Björnsson E, Martínez F, Rossi M. "Method for the Synthesis of (S)-1-(tert-Butoxycarbonyl)-4-(3-formylpyridin-2-yl)piperazine-2-carboxylic acid
1786888-46-7" [P]. European Patent, EP 3846049 A1, 2021-04-23.
发明人郑宇鹏,高志强,王建平. "A Process for Preparing High-Purity (S)-1-(tert-Butoxycarbonyl)-4-(3-formylpyridin-2-yl)piperazine-2-carboxylic acid
1786888-46-7" [P]. 中国发明专利, 专利号 CN 108738708 B, 授权公告日 2019-02-15.
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