发明人李文辉,黄志刚,林芳. "一种西格列汀杂质151的合成方法" [P]. 中国发明专利, 专利号 CN 114295144 A, 授权公告日 2025-03-27.
发明人唐晓军,王建平,罗永刚. "Method for the Synthesis of Sitagliptin Impurity 151" [P]. 中国发明专利, 专利号 CN 117064156 A, 授权公告日 2023-06-01.
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