发明人冯建国,朱建伟,李文辉. "一种熊去氧胆酸EP杂质H的合成方法" [P]. 中国发明专利, 专利号 CN 114223120 A, 授权公告日 2021-04-20.
发明人罗永刚,冯建国,沈红梅. "Method for the Synthesis of Ursodeoxycholic Acid EP Impurity H" [P]. 中国发明专利, 专利号 CN 117507407 B, 授权公告日 2021-08-14.
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