[?-D-Xylp-(1->4)-?-D-Xylp-(1->4)-[3)-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->3)-[beta-L-GlcpA-(1->2)-alpha-L-Manp-(1->3)]-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->3)-beta-L-GlcpA-(1->2)-alpha-L-Manp-(1->3)]-alpha-L-Manp-(1->3)-alpha-L-Manp-(1->]-