4-Nitro-benzoic acid (S)-3-((4R,5S)-5-decyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-((2S,5S,2'R)-5'-oxo-octahydro-[2,2']bifuranyl-5-yl)-propyl ester

bullanin

Toluene-4-sulfonic acid (1S,4R,5R)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-1-[(R)-6-(tert-butyl-dimethyl-silanyloxy)-1-(2-trimethylsilanyl-ethoxymethoxy)-hexyl]-8-hydroxy-octyl ester

(S)-3-[(R)-13-{(2R,5R,2'R,5'R)-5'-[(1S,7S)-1-Methoxymethoxy-7-(2-trimethylsilanyl-ethoxymethoxy)-undecyl]-octahydro-[2,2']bifuranyl-5-yl}-13-(2-trimethylsilanyl-ethoxymethoxy)-tridecyl]-5-methyl-5H-furan-2-one

Toluene-4-sulfonic acid (1S,4R,5R)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-1-[(R)-6-(tert-butyl-dimethyl-silanyloxy)-1-(2-trimethylsilanyl-ethoxymethoxy)-hexyl]-8-oxo-octyl ester