(17-alpha)-17-Hydroxy-19-norpregn-4-en-3-one 17-ENT 17-Ethyl-19-nortestosterone 17-Hydroxy-19-nor-17-alpha-pregn-4-en-3-one 17-Hydroxy-19-norpregn-4-en-3-one 17-alpha-Ethyl-17-hydroxy-19-norandrost-4-en-3-one 17-alpha-Ethyl-17-hydroxy-4-norandrosten-3-one 17-alpha-Ethyl-17-hydroxynorandrostenone 17-alpha-Nortestosterone 17alpha-Ethyl-17beta-hydroxyestr-4-en-3-one 17alpha-Ethyl-19-nortestosterone 17alpha-Ethylnortestosterone 19-Nor-17-alpha-ethyltestosterone 19-Nor-17-alpha-pregn-4-en-3-one, 17-hydroxy- 19-Nor-17alpha-pregn-4-en-3-one, 17-hydroxy- (8CI) 19-Norethyltestosterone 19-Norpregn-4-en-3-one, 17-hydroxy-, (17-alpha)- (9CI) 19-Norpregn-4-en-3-one, 17-hydroxy-, (17alpha)- 19-Nortestosterone, 17-ethyl- 52-78-8 8022 C. B. 8022 C.B. CB 8022 DEA No. 4000 EINECS 200-153-5 Estr-4-en-3-one, 17alpha-ethyl-17-hydroxy- Ethylnortestosteron NORETHANDROLONE NSC 70581 Nilevar Noretandrolona [INN-Spanish] Noretandrolone [DCIT] Norethandrolone [BAN:INN] Norethandrolonum [INN-Latin] Pronabol SC 5914 Solevar U 6817