发明人冯建国,胡光,何建平. "Method for the Synthesis of Altrenogest Impurity 3" [P]. 中国发明专利, 专利号 CN 110255182 B, 授权公告日 2024-07-08.
发明人李文辉,林芳,黄志刚. "A Process for Preparing High-Purity Altrenogest Impurity 3" [P]. 中国发明专利, 专利号 CN 111150524 B, 授权公告日 2016-01-06.
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