1,2-Epoxy-17-hydroxyestr-4-en-3-one 1,2-Epoxy-4-estrene-3-one-17-ol 1,2-Epoxyestrene-3-one-17-ol 1,2-Epoxyestrenolone 100649-20-5 Estr-4-en-3-one, 1,2-epoxy-17-hydroxy-, (1alpha,2alpha,17beta)-