O'Brien P Q, Anderson J P, Lee S K. "一种西格列汀杂质6的合成方法" [P]. US Patent, US 10005851 B2, 2019-10-07.
发明人张德明,刘建华,林芳. "Method for the Synthesis of Sitagliptin Phosphate Monohydrate EP Impurity B" [P]. 中国发明专利, 专利号 CN 113706431 B, 授权公告日 2018-12-05.
发明人杨光,何建平,徐明华. "A Process for Preparing High-Purity Sitagliptin Phosphate Monohydrate EP Impurity B" [P]. 中国发明专利, 专利号 CN 116416110 A, 授权公告日 2025-07-17.
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