24320-15-8
3H-吡唑-3-酮,2-(1,1-二甲基乙基)-1,2-二氢-5-甲基-
→
2529-45-5
氟孕酮醋酸酯
24320-12-5
17-acetoxy-9,11β-epoxy-9β-pregn-4-ene-3,20-dione