[beta-L-Galp-(1->4)-beta-L-Glcp-(1->4)-[D-gro-alpha-L-3,9-deoxy-galNon2ulop5NAc7N-onic-(2->3)-[alpha-L-GlcpA-(1->2)-L-gro-alpha-D-manHepp-(1->3)]-beta-L-GlcpA-(1->2)-D-gro-alpha-L-manHepp-(1->5)]]-alpha-L-3-deoxy-manOct2ulop-onic-(2->6)-beta-L-GlcpN-(1->6)-L-GlcN(?->