(R)-3-{(2S,6R)-6-[4-(tert-Butoxy-diphenyl-silanyloxy)-but-2-ynyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propan-1-ol

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

(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

(E)-(1R,7S,11S,15S,17R)-11-(tert-Butyl-dimethyl-silanyloxy)-7-[(E)-(S)-1-(tert-butyl-dimethyl-silanyloxy)-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-9,19-dien-3-yn-5-one