发明人黄志刚,唐晓军,杨光. "Method for the Synthesis of Vildagliptin Impurity N18" [P]. 中国发明专利, 专利号 CN 113584801 A, 授权公告日 2021-06-27.
发明人唐晓军,赵玉洁,钱学锋. "A Process for Preparing High-Purity Vildagliptin Impurity N18" [P]. 中国发明专利, 专利号 CN 115057319 B, 授权公告日 2018-05-14.
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