Synonyms: 17-Hydroxy-19-nor-17-alpha-pregn-4-en-3-one acetate;17-alpha-Ethyl-19-nortestosterone-17-acetate;19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy-, acetate;AC1L4EPP;LS-97398;[(8R,9S,10R,13S,14S,17R)-17-ethyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate;18063-30-4