?-D-NeupAc-(2->?)-?-?-HexpNAc-(1->?)-?-?-HexpNAc-(1->?)-alpha-D-Manp-(1->?)[?-D-NeupAc-(2->?)-?-?-Hexp-(1->?)-?-?-HexpNAc-(1->?)-alpha-D-Manp-(1->?)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)[?-L-Fucp-(1->?)]-beta-D-GlcpNAc(1->
