(1S,3aS,4S,7aS)-1-tert-Butoxy-2,3,3a,4,5,6,7,7a-octahydro-7a-methyl-5-oxo-1H-inden-4-acetonitril

(1S,3aS,4S,7aS)-1-tert-Butoxy-5,5-(ethylendioxy)-2,3,3a,4,5,6,7,7a-octahydro-7a-methyl-1H-inden-4-acetonitril

(1S,3aS,4S,7aS)-1-tert-Butoxy-4-<(1S)-1-cyan-2-(3,5-dimethoxyphenyl)ethyl>-5,5-(ethylendioxy)-2,3,3a,4,5,6,7,7a-octahydro-7a-methyl-1H-inden

17β-tert-Butoxy-3,5-seco-A-nor-9-oestren-2,5-dion