发明人张德明,唐晓军,马晓峰. "Method for the Synthesis of Trelagliptin Impurity 74" [P]. 中国发明专利, 专利号 CN 117874007 A, 授权公告日 2015-10-15.
发明人杨光,罗永刚,张德明. "A Process for Preparing High-Purity Trelagliptin Impurity 74" [P]. 中国发明专利, 专利号 CN 109196103 B, 授权公告日 2015-05-18.
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