(2R,3S,5S,6R)-2-(tert-Butyl-dimethyl-silanyloxy)-6-(2,5-dimethoxy-3-nitro-phenyl)-3,6-dimethoxy-5-methyl-hexan-1-ol

[(2S,3R,4S,6S,7R)-7-(2,5-Dimethoxy-3-nitro-phenyl)-3,4,7-trimethoxy-2,6-dimethyl-heptyloxy]-trimethyl-silane

(3R,4S,6S,7R)-3-(tert-Butyl-dimethyl-silanyloxy)-7-(2,5-dimethoxy-3-nitro-phenyl)-4,7-dimethoxy-6-methyl-heptan-2-ol

tert-Butyl-[(1R,2S,4S,5R)-5-(2,5-dimethoxy-3-nitro-phenyl)-1-isopropenyl-2,5-dimethoxy-4-methyl-pentyloxy]-dimethyl-silane

(2S,3S,5S,6R)-2-(tert-Butyl-dimethyl-silanyloxy)-6-(2,5-dimethoxy-3-nitro-phenyl)-3,6-dimethoxy-5-methyl-hexanal