2-.alpha.-Methyldihydrotestosterone pyran-2-yl ether 2-ALPHA-METHYLDIHYDROTESTOSTERONE PYRAN-2-YL ETHER 5.alpha.-Androstan-3-one, 2.alpha.-methyl-17.beta.-[(tetrahydro-pyran-2-yl)oxy]- 983-56-2 NSC81408 Testosterone, 4,5.alpha.-dihydro-2.alpha.-methyl-, tetrahydro-pyran-2-yl ether