?-D-Xylp-(1->?)[?-D-Xylp-(1->?)]-?-D-Manp-(1->?)?-D-Xylp-(1->?)[?-D-Xylp-(1->?)]-?-D-Manp-(1->?)?-D-Xylp-(1->?)-?-D-Xylp-(1->?)[?-D-GlcpA-(1->?)]-?-D-Manp(1->