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