tert-Butoxy-{4-[(2R,6S)-6-((R)-4,4-dibromo-2-methyl-but-3-enyl)-5,6-dihydro-2H-pyran-2-yl]-but-2-ynyloxy}-diphenyl-silane

tert-Butoxy-(4-{(2R,6S)-6-[(R)-3-(4-methoxy-benzyloxy)-2-methyl-propyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-ynyloxy)-diphenyl-silane

(2R,6R)-6-[4-(tert-Butoxy-diphenyl-silanyloxy)-but-2-ynyl]-2-((S)-2-methyl-4-trimethylsilanylmethyl-pent-4-enyl)-3,6-dihydro-2H-pyran

(2S,6R)-6-[4-(tert-Butoxy-diphenyl-silanyloxy)-but-2-ynyl]-2-((R)-2-methyl-5-trimethylsilanyl-4-trimethylsilanylmethyl-pent-3-enyl)-3,6-dihydro-2H-pyran

4-{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-6,11-Bis-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-ynal