17β-Hydroxy-1,3-dimethoxy-1,3,5(10),9(11)-oestratetraen-7β-carbonitril

(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