发明人黄志刚,刘建华,张德明. "一种胆固醇EP杂质C的合成方法" [P]. 中国发明专利, 专利号 CN 112551495 A, 授权公告日 2017-04-13.
发明人杨光,何建平,郑宇鹏. "Method for the Synthesis of Cholesterol EP Impurity C" [P]. 中国发明专利, 专利号 CN 111695120 B, 授权公告日 2020-07-06.
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