alpha-D-Neup5Ac-(2->?)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->?)-alpha-D-Manp-(1->3)[alpha-D-Neup5Ac-(2->?)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->?)-alpha-D-Manp-(1->6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-?-D-Glc?NAc-(1->
