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