allyl 1-(4-(tert-butyldimethylsilyloxy)methyl-2-nitrophenyl)-β-D-glucuronate

allyl 1-(4-(tert-butyldimethylsilyloxy)methyl-2-nitrophenyl)-2,3,4-tri-O-allyloxycarbonyl-β-D-glucuronate

allyl 1-(4-hydroxymethyl-2-nitrophenyl)-2,3,4-tri-O-allyloxycarbonyl-β-D-glucuronate

allyl 1-(4-(O-4-nitrophenyloxycarbonyl)methyl-2-nitrophenyl)-2,3,4-tri-O-allyloxycarbonyl-β-D-glucuronate

(2S,3S,4S,5R,6S)-3,4,5-Triacetoxy-6-[4-(2,5-dioxo-pyrrolidin-1-yloxycarbonyloxymethyl)-2-nitro-phenoxy]-tetrahydro-pyran-2-carboxylic acid methyl ester