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