(-)-(2S,3S,6R,7R,10S,11S)-2,3:10,11-Diepoxy-6,7-O-isopropylidene-1,12-O-bis(4-nitrobenzoyl)-1,6,7,12-tetrahydroxydodecane

(S)-2-Methoxymethoxy-2-((2R,5R,2'R,5'R)-(R)-5'-oxiranyl-octahydro-[2,2']bifuranyl-5-yl)-ethanol

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

(+)-(2S,3R,6R,7R,10R,11R)-1-O-(tert-Butyldiphenylsilyl)-2-O-(methoxymethyl)-3,6:7,10-diepoxy-1,2,11-trihydroxyhenicosane

(-)-(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