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