beta-D-GlcpA2N-(1->3)-beta-D-QuipNAc4NAc-(1->3)-beta-D-GlcpA2N-(1->3)-beta-D-QuipNAc4NAc-(1->2)-D-gro-?-D-manHepp-(1->2)-D-gro-?-D-manHepp-(1->3)-D-gro-?-D-manHepp-(1->?)-D-Kdn(?->