?-D-GlcpNAc-(1->?)-?-D-Galp-(1->?)[?-D-NeupGc-(2->?)]-?-D-Galp-(1->?)[?-D-GlcpNAc-(1->?)[?-L-Fucp-(1->?)]-?-D-GlcpNAc-(1->?)]-?-D-GalpNAc(1->