(1R,12R)-15-(tert-Butyl-dimethyl-silanyloxy)-1-[(2R,5R,2'R,5'R)-5'-((S)-1-hydroxy-undecyl)-octahydro-[2,2']bifuranyl-5-yl]-12-methoxymethoxy-pentadecan-1-ol

(-)-(2S,3R,6R,7R,10R,11S)-1,12-O-Bis(4-nitrobenzoyl)-3,6:7,10-diepoxy-1,2,11,12-tetrahydroxydodecane

Toluene-4-sulfonic acid (S)-2-{(2R,5R,2'R,5'R)-5'-[(1R,12R)-15-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-12-methoxymethoxy-pentadecyl]-octahydro-[2,2']bifuranyl-5-yl}-2-hydroxy-ethyl ester

(-)-(2S,3R,6R,7R,10R,11S)-1,12-O-Bis(4-nitrobenzoyl)-3,6:7,10-diepoxy-2-O-methanesulfonyl-1,2,11,12-tetrahydroxydodecane