(11aR,14R,14aR,17S)-14-{[1-(tert-butyl)-1,1-dimethylsilyl]oxy}-17-pentyl-9,10-didehydro-7,8,11,11a,13,14,14a,17-octahydro-19H-cyclopenta[h][1,13]benzodioxacyclohexadecine-12,19(6H)-dione

(1S,2E)-3-[(1R,2R,5R)-5-{[1-(tert-butyl)-1,1-dimethylsilyl]oxy}-2-(2-butynyl)-3-oxocyclopentyl]-1-pentyl-2-propenyl 5-heptynoate

(1S,2E)-3-[(1R,2R,5R)-5-{[1-(tert-butyl)-1,1-dimethylsilyl]oxy}-2-(2-butynyl)-3-oxocyclopentyl]-1-pentyl-2-propenyl 2-(4-hexynyloxy)benzoate

(1R,2R,3aS,9aS)-2,3,3a,4,9,9a-hexahydro-2-(tert-butyldimethylsilyloxy)-1-((S)-3-(tert-butyldimethylsilyloxy)octyl)-1H-cyclopenta[b]naphthalen-5-ol

ethyl (1R,2R,3R)-3-triethylsilyloxy-2-[(3S)-3-triethylsilyloxy-(1E)-octenyl]-5-oxo-cyclopentaneacetate