N-(methyl 2,3,4-tri-O-benzyl-6-deoxy-α-D-glucopyranosid-6-yl)-N-(ethyl 6-O-(tert-butyldimethylsilyl)-4-deoxy-α-D-mannopyranosid-4-yl)-2-nitrobenzenesulfonamide

methyl 2,3,4-tri-O-benzyl-6-deoxy-6-[N''-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyl)ureido]-α-D-glucopyranoside