(1S,7aR)-1-(4-Methoxy-benzyloxymethyl)-7a-methyl-1,2,3,6,7,7a-hexahydro-inden-5-one

3-((1R,2S)-2-Cyano-1-methyl-5-oxo-cyclopentyl)-propionic acid methyl ester

(1S,3aS,4S,7aR)-7a-Methyl-5-oxo-6-phenylsulfanyl-4-[(R)-2-(4,6,7,8-tetrahydro-benzo[1,3]dioxin-8a-yl)-ethyl]-3a-trimethylsilanyloxy-octahydro-indene-1-carbonitrile

(1S,2R)-2-((R)-4-Benzenesulfonyl-3-oxo-6-4,6,7,8-tetrahydro-benzo[1,3]dioxin-8a-yl-hexyl)-2-methyl-3-oxo-cyclopentanecarbonitrile

Trifluoro-methanesulfonic acid (1S,3aS,4S,7aR)-1-cyano-3a-hydroxy-7a-methyl-6-methylsulfanyl-4-[(R)-2-(4,6,7,8-tetrahydro-benzo[1,3]dioxin-8a-yl)-ethyl]-2,3,3a,4,7,7a-hexahydro-1H-inden-5-yl ester