?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?),?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?),alpha-D-NeupAc-(2->6)-?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?),alpha-D-Manp-(1->3)[alpha-D-Manp-(1->6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc(1->