3386-00-3
17α-Hydroxypregn-5-ene-3,20-dione-3,20-bis(ethyleneketal)
→
3496-78-4
(5α,6α)-Epoxy-17α-hydroxy-pregnane-3,20-dione-3,20-bis(ethyleneketal)
+
117898-52-9
3,20-Bis-ethylendioxy-5α,6α-epoxy-17α-hydroxy-pregnan
71-58-9
醋酸甲羟孕酮
520-85-4
甲羟孕酮