发明人冯建国,唐晓军,高志强. "一种熊去氧胆酸杂质2(甘氨熊去氧胆酸)的合成方法" [P]. 中国发明专利, 专利号 CN 111001914 A, 授权公告日 2022-05-15.
发明人周伟,罗永刚,陈志强. "Method for the Synthesis of Ursodeoxycholic Acid Impurity 2(Glycoursodeoxycholic Acid)" [P]. 中国发明专利, 专利号 CN 115980897 A, 授权公告日 2019-04-27.
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