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