?-L-IdopA-(1->?)-?-D-GalpNAc4S-(1->?)-?-D-GlcpA-(1->?)-?-D-GalpNAc6S-(1->?)-?-?-GlcpA-(1->?)-?-D-Galp-(1->?)-?-D-Galp-(1->?)-?-D-Xylp(1->