{(2R,3S,4aR,6R,8S,8aR)-8-(tert-Butyl-dimethyl-silanyloxy)-6-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-8a-methyl-3-triethylsilanyloxy-octahydro-pyrano[3,2-b]pyran-2-yl}-acetonitrile

{(2R,3S,4aR,6R,8S,8aR)-8-(tert-Butyl-dimethyl-silanyloxy)-6-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-8a-methyl-3-triethylsilanyloxy-octahydro-pyrano[3,2-b]pyran-2-yl}-acetic acid

(4aR,5aS,6aR,7aS,9R,10S,11aS,12S,12aR,13aR,14aS)-10-((S)-4-hydroxybutan-2-yl)-2,2,5a,11a-tetramethyl-12-((triisopropylsilyl)oxy)tetradecahydro-4H-pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-d][1,3]dioxin-9-ol

(S)-3-((4aR,5aS,6aR,7aS,9R,10S,11aS,12S,12aR,13aR,14aS)-9-hydroxy-2,2,5a,11a-tetramethyl-12-((triisopropylsilyl)oxy)tetradecahydro-4H-pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-d][1,3]dioxin-10-yl)butyl pivalate