发明人刘建华,何建平,赵玉洁. "Method for the Synthesis of Glipizide EP Impurity G" [P]. 中国发明专利, 专利号 CN 111875876 B, 授权公告日 2019-10-02.
发明人郑宇鹏,冯建国,张德明. "A Process for Preparing High-Purity Glipizide EP Impurity G" [P]. 中国发明专利, 专利号 CN 114654158 B, 授权公告日 2023-12-21.
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