[alpha-D-GlcpNAc-(1->7)-alpha-?-Hepp-(1->7)-alpha-D-Glcp-(1->3)-alpha-?-Hepp-(1->3)]-alpha-?-Hepp-(1->5)-alpha-L-3-deoxy-manOct2ulop-onic-(2->6)-beta-D-GlcpNAc-(1->6)-D-GlcNAc(?->