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