(2R,6S)-2-{(2R)-6-[3-(4-methoxybenzyloxy)-2-methylpropyl]-5,6-dihydro-2H-pyran-2-yl}-ethanol

4-{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-6,11-Bis-(tert-butyl-dimethyl-silanyloxy)-10-(4-methoxy-benzyloxy)-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-yn-1-ol

(Z)-4-{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-6,11-Bis-methoxymethoxy-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-10-triethylsilanyloxy-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-enoic acid 2-trimethylsilanyl-ethyl ester

2-(3-{6-[4-(tert-butoxy-diphenyl-silanyloxy)-but-2-ynyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl)-9-(tert-butyl-dimethyl-silanyloxy)-8-(4-methoxy-benzyloxy)-11-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-undeca-1,5,10-trien-4-one

(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

(2S,4RS,6R)-4-benzenesulfonyl-7-{(2R,6R)-6-[2-(tert-butyldimethylsilanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-1-(4-methoxybenzyloxy)-6-methylheptan-2-ol

(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

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

(2S,4RS,6S)-(2-{(2R,6R)-6-[4-benzenesulfonyl-7-(4-methoxybenzyloxy)-6-methoxymethoxy-2-methylheptyl]-5,6-dihydro-2H-pyran-2-yl}-ethoxy)-tert-butyldimethylsilane

2-(3-{6-[4-(tert-butoxy-diphenyl-silanyloxy)-but-2-ynyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl)-9-(tert-butyl-dimethyl-silanyloxy)-8-(4-methoxy-benzyloxy)-11-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-undeca-1,5,10-trien-4-ol

(2S,6R)-6-(3,3-Dibromo-allyl)-2-[(R)-3-(4-methoxy-benzyloxy)-2-methyl-propyl]-3,6-dihydro-2H-pyran

2-(3-{6-[4-(tert-butoxy-diphenyl-silanyloxy)-but-2-ynyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl)-9-(tert-butyl-dimethyl-silanyloxy)-8-(4-methoxy-benzyloxy)-11-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-undeca-1,5,10-trien-4-ol

(E)-(1R,7S,11S,15S,17R)-11-Hydroxy-7-[(E)-(S)-1-hydroxy-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

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

4-{(2R,6S)-6-[(R)-3-(4-Methoxy-benzyloxy)-2-methyl-propyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-yn-1-ol

(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

[2R,(2R),6R]-{2-[6-(4-benzenesulfonyl-2-methylbutyl)-5,6-dihydro-2H-pyran-2-yl]ethoxy}-tert-butyldimethylsilane

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