beta-D-GlcpA-(1->3)[beta-D-GlcpA-(1->3)[beta-D-GlcpA-(1->3)[beta-D-GlcpA-(1->3)-alpha-D-GalpA-(1->2)-alpha-L-Rhap-(1->4)]-alpha-D-GalpA-(1->2)-alpha-L-Rhap-(1->4)]-alpha-D-GalpA-(1->2)-alpha-L-Rhap-(1->4)]-alpha-D-GalpA-(1->2)-L-Rha(?->