17.beta.-nitro-11.beta.-arylisteroids and their derivatives havi
17.beta.-nitro-11.beta.-arylsteroids and their derivatives havin
17.beta.-nitro-11.beta.-arylsteroids and their derivatives havin
17.beta.-substituted 4-aza-5.alpha.-androstan-3-one derivatives
17.beta.-substituted 4-azaandrostane derivatives, pharmaceutical
17.beta.-substituted aza-androstane derivatives
17.beta.-substituted Aza-androstane derivatives
17.beta.-substituted-4-aza-5.alpha.-androstan-3-one derivatives
17.beta.-substituted-6-azasteroid derivatives useful as 5.alpha.
17.beta.-thiocarboxylic acid esters of 3-oxo-4-halo-16.beta.-met
17a-hydroxy-4-androstene-3-one and derivatives thereof
17b-aryl-4-aza-steroid derivatives useful as 5-alpha-reductase i
18 Norsteroids as selectively active estrogens
18, 19-Dinor-vitamin D compounds
18,19-dinor-vitamin D compounds
18,19-dinor-vitamin D compounds
18-membered macrocycles and analogs thereof
18-Methyl-19-nor-20-ketopregnanes and process for the preparatio
18-Methyl-19-norandrost-4-ene 17, 17-spiro ether...
18-nor-vitamin D compounds