4,17beta-Dihydroxyestr-4-en-3-one 4-Hydroxy-19-nortestosterone 4721-69-1 EINECS 225-212-2 Estr-4-en-3-one, 4,17-dihydroxy-, (17beta)- Estr-4-en-3-one, 4,17beta-dihydroxy- Oxabolone