Ethyl 3,6-di-O-acetyl-2-deoxy-2-phthalimido-1-thio-4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-β-D-glucopyranoside

3-O-benzyl-4,6-O-benzylidene-2-deoxy-2-N-phthalamido-β-D-glucopyranosyl-1’,1’,1’-trichloroacetimidate