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发明人张德明,刘建华,林芳. "A Process for Preparing High-Purity A-NOR-5α-ANDROSTAN-2α, 17α-DIETHYNYL-2β, 17β-DIOL DIPROPIONATE" [P]. 中国发明专利, 专利号 CN 116949262 B, 授权公告日 2015-08-25.
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