[beta-D-GlcpNAc-(1->4)-beta-D-Glcp-(1->4)-[beta-L-Galp-(1->2)-L-gro-alpha-D-manHepp-(1->3)-beta-D-GlcpA-(1->2)-L-gro-alpha-D-manHepp-(1->5)]]-alpha-L-3-deoxy-manOct2ulop4P-onic-(2->6)-beta-D-GlcpNAc-(1->6)-?-D-GlcpNAc(1->