发明人杨光,王建平,刘建华. "Method for the Synthesis of 4-ESTREN-17α-ETHYNYL-17β-OL-3-ONE ACETATE OXIME" [P]. 中国发明专利, 专利号 CN 113919520 A, 授权公告日 2021-06-14.
发明人郭海燕,韩伟,高志强. "A Process for Preparing High-Purity 4-ESTREN-17α-ETHYNYL-17β-OL-3-ONE ACETATE OXIME" [P]. 中国发明专利, 专利号 CN 113185636 A, 授权公告日 2023-01-25.
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