alpha-D-NeupAc-(2->3)-beta-D-Galp-(1->4)[alpha-L-Fucp-(1->3)]-?-D-GlcpNAc-(1->?)[alpha-D-NeupAc-(2->3)-beta-D-Galp-(1->4)-?-D-GlcpNAc-(1->?)]-beta-D-Galp-(1->3)[alpha-D-NeupAc-(2->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->6)]-D-GalNAc(?->