methyl (1S,3aR,4S,5R,7aS)-5-(tert-butyldiphenylsiloxy)-1-ethyl-3a,4,5,7a-teterahydro-4-indancarboxylate

(1S,3aS,4S,5R,7aS)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-1-ethyl-2,3,3a,4,5,7a-hexahydro-1H-indene-4-carboxylic acid methyl ester

(1S,3aR,4S,5S,7aS)-1-Ethyl-5-{(1E,3E)-4-[(2R,3S,6R)-6-((R)-1-methoxycarbonyl-ethyl)-3-methyl-tetrahydro-pyran-2-yl]-hexa-1,3-dienyl}-2,3,3a,4,5,7a-hexahydro-1H-indene-4-carboxylic acid

(1S,3aR,4S,5R,7aS)-1-ethyl-3a,4,5,7a-tetrahydro-5-(hydroxymethyl)-4-indanyl pyrrol-2-yl ketone

(R)-2-((2R,5S,6R)-6-{(1E,3E)-1-Ethyl-4-[(1S,3aR,4S,5S,7aS)-1-ethyl-4-(1H-pyrrole-2-carbonyl)-2,3,3a,4,5,7a-hexahydro-1H-inden-5-yl]-buta-1,3-dienyl}-5-methyl-tetrahydro-pyran-2-yl)-1-(1H-pyrrol-2-yl)-propan-1-one