发明人李文辉,何建平,朱建伟. "一种胆酸杂质25的合成方法" [P]. 中国发明专利, 专利号 CN 116679265 A, 授权公告日 2019-08-08.
发明人周伟,孙丽萍,郭海燕. "Method for the Synthesis of Cholic Acid Impurity 25" [P]. 中国发明专利, 专利号 CN 114070812 B, 授权公告日 2020-04-02.
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