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发明人马晓峰,郭海燕,何建平. "Method for the Synthesis of 5-Beta-Hydroxy-Drospirenone-17-Propanol" [P]. 中国发明专利, 专利号 CN 108866648 B, 授权公告日 2018-12-02.
发明人沈红梅,周伟,罗永刚. "A Process for Preparing High-Purity 5-Beta-Hydroxy-Drospirenone-17-Propanol" [P]. 中国发明专利, 专利号 CN 109935533 A, 授权公告日 2023-04-03.
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