(1R,3aS,7aR)-1-((1R,5S)-1,5-Dimethyl-5,6-bis-trimethylsilanyloxy-hexyl)-7a-methyl-4-[2-[(S)-2-methylene-5-trimethylsilanyloxy-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-octahydro-indene

(R)-4-(3-Iodo-propyl)-2,2,4-trimethyl-[1,3]dioxolane

(R)-2-[(3S,8S,9S,10R,13S,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-5-((S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-pentanoic acid ethyl ester

(R)-2-[(3S,8S,9S,10R,13S,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-5-((S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-pentan-1-ol

2-{(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-17-[(R)-1-methyl-4-((R)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-butyl]-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-tetrahydro-pyran