发明人张德明,陈志强,胡光. "Method for the Synthesis of Saxagliptin Impurity 18" [P]. 中国发明专利, 专利号 CN 110283497 B, 授权公告日 2022-12-05.
发明人郑宇鹏,胡光,罗永刚. "A Process for Preparing High-Purity Saxagliptin Impurity 18" [P]. 中国发明专利, 专利号 CN 111464631 B, 授权公告日 2022-05-10.
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