19-Nor-7.alpha.-methyltestosterone 3764-87-2 7-ALPHA-METHYL-19-NORTESTOSTERONE 7.alpha.-Methyl-19-nortestosterone Estr-4-en-3-one, 17-hydroxy-7-methyl-, (7.alpha.,17.beta.)- Estr-4-en-3-one, 17.beta.-hydroxy-7.alpha.-methyl- NSC142229 Trestolone