1. 11β,17-二羟孕酮-1,4-二烯-3,20-二咪唑-21-乙酸酯

11β,17-二羟孕酮-1,4-二烯-3,20-二咪唑-21-乙酸酯

11-beta, 17-dihydroxypregna-1,4–diene-3,20-disemicarbazone-21-yl acetate