?-D-GlcpA-(1->?)-?-D-GlcpN2S-(1->?)-?-L-IdopA2S-(1->?)-?-D-Glc?N2S-(1->?)-?-L-IdopA2S-(1->?)-?-D-Glc?N2S-(1->?)-?-L-IdopA2S-(1->?)-?-D-Glc?N2S-(1->?)-?-L-IdopA2S-(1->?)-?-D-Glc?N2S-(1->?)-?-L-IdopA2S-(1->?)-?-D-Glc?N2S-(1->?)-?-L-IdopA-(1->?)-D-GlcNAc(?->