| 19-nor-17-alpha-pregn-4-en-17-ol |
| 17alpha-ethyl-17beta-hydroxy-4-estrene |
| 17alpha-ethylestr-4-en-17beta-ol |
| 17beta-hydroxy-17alpha-ethyl-19-nor-4-androstene |
| 19-nor-17alpha-pregn-4-en-17-ol |
| (17-alpha)-19-norpregn-4-en-17-o |
| (17alpha)-19-norpregn-4-en-17-o |
| durabolin-o |
| duraboral |
| ethylestrenol |
| ethylnandrol |
| maxibalin |
| maxibolin |
| neodurabolin |
| orabolin |
| org-483 |
| orgabolin |
| orgaboral |
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