Novel (1-arylcycloalkylmethyl) isothiocyanates

Novel (substituted phenyl)-1,2,4-triazolo (4,3-A)pyrazines and n

Novel .alpha.-hydroxy steroids

Novel .DELTA..sup.4 -androstenes

Novel .DELTA..sup.4 -androstenes

Novel .DELTA..sup.4 -pregnenes

Novel .DELTA..sup.4,9 -gonadiene-21-ol-3,20-diones

Novel 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones and

Novel 1-(mono-o-substituted benzoyl)-3-(substituted pyrazinyl) u

Novel 1.alpha.,24-dihydroxycholecalciferol compositions, novel p

Novel 1.alpha.-hydroxy-24-oxovitamin D.sub.3, its preparing proc

Novel 16.alpha.-methyl-pregnane

Novel 17 .alpha.-aryl-steroids

Novel 17-amino-16-hydroxy steroids of the androstane and oestran

Novel 17-esters of 17.alpha.-hydroxy gestogens, compositions con

Novel 17-substituted 11 .beta.-hydroxy steroids of the pregnane

Novel 17.alpha.-aryl-steroids

Novel 19-nor-steroids

Novel 2,2-dimethyl steroids

Novel 2-pyridylbenzimidazole compounds