1. 11β,17-α-二羟基-17-[(膦酰氧基)甲基]-D-同雄甾-1,4-二烯-3,17a-二酮

11β,17-α-二羟基-17-[(膦酰氧基)甲基]-D-同雄甾-1,4-二烯-3,17a-二酮

11-beta,17-alfa-Dihydroxy-17-[(phosphonooxy)methyl]-D-homoandrosta-1,4-diene-3,17a-dione