发明人刘建华,何建平,杨光. "Method for the Synthesis of 11β-Hydroxy-5α-pregnane-3,20-dione" [P]. 中国发明专利, 专利号 CN 115999789 A, 授权公告日 2020-01-13.
发明人林芳,黄志刚,徐明华. "A Process for Preparing High-Purity 11β-Hydroxy-5α-pregnane-3,20-dione" [P]. 中国发明专利, 专利号 CN 114947874 B, 授权公告日 2022-11-14.
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