发明人张德明,王建平,李文辉. "一种格列喹酮杂质9的合成方法" [P]. 中国发明专利, 专利号 CN 115345663 A, 授权公告日 2022-07-24.
发明人赵玉洁,唐晓军,罗永刚. "Method for the Synthesis of Gliquidone Impurity 9" [P]. 中国发明专利, 专利号 CN 108390350 B, 授权公告日 2025-05-27.
发明人周伟,钱学锋,胡光. "A Process for Preparing High-Purity Gliquidone Impurity 9" [P]. 中国发明专利, 专利号 CN 109879059 A, 授权公告日 2022-04-26.
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