bis-3-<17'β-(t-butyldimethylsilyl)oxy-3'-hydroxy-estra-1',3',5'(10')-trien-11'α-yl>oxypropyl-disulfane

bis-3-<17'β-(t-butyldimethylsilyl)oxy-3'-sulfamoyloxy-estra-1',3',5'(10')-trien-11'α-yl>oxypropyl-disulfane

2-cyano-17β-oestradiol

2-(3'-benzylideneacetyl)estradiol

2-acetyl-3,17β-dihydroxyestra-1,3,5(10)-triene 3,17-diacetate