(2R,3S,4S,5R)-2,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2,5-dimethyl-hexane-1,3,4,6-tetraol

(4S,5R,4'S,5'R)-5,5'-Bis-(tert-butyl-dimethyl-silanyloxy)-5,5'-dimethyl-2,2'-diphenyl-[4,4']bi[[1,3]dioxanyl]

2,2-Dimethyl-propionic acid (R)-2-(tert-butyl-dimethyl-silanyloxy)-2-methyl-3-oxo-propyl ester

(2S,3R,4aS,5aR,7aS,12R,12aR,13aS,14aR)-3-(benzyloxy)-2-(2-(benzyloxy)ethyl)-2,4a,5a,12-tetramethyl-2,3,4,4a,5a,6,7,7a,11,12,12a,13a,14,14a-tetradecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9-yl trifluoromethanesulfonate

(2S,3R,4aS,5aR,7aS,12R,12aR,13aS,14aR)-3-(benzyloxy)-2-(2-(benzyloxy)ethyl)-2,4a,5a,12-tetramethyltetradecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9(2H)-one