4-but-3-ynyl-3-methyl-5-(3,7,11-trimethyl-dodeca-2,6,10-trienyl)hexahydrocyclopenta[b]furan-6-ol

5-[3,7-dimethyl-9-(2,2,5,5-tetramethyl-[1,3]dioxolan-4-yl)-nona-2,6-dienyl]-3,5-dimethyl-4-prop-1-ynyl-hexahydro-cyclopenta[b]furan-6-one

tert-Butyl-{(3S,3aS,4S,6aR)-5-[(2E,6E)-3,7-dimethyl-9-(2,2,5,5-tetramethyl-[1,3]dioxolan-4-yl)-nona-2,6-dienyl]-3-methyl-4-prop-1-ynyl-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-6-yloxy}-dimethyl-silane

3-methyl-4-(4-triisopropylsilanyl-but-3-ynyl)-5-(3,7,11-trimethyl-dodeca-2,6,10-trienyl)-hexahydrocyclopenta[b]furan-6-one

4-but-2-ynyl-3-methyl-hexahydro-cyclopenta[b]furan-6-ol