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