?-D-GlcpA-(1->?)-?-D-GalpA-(1->?)-?-L-Rhap-(1->?)[?-D-GlcpA-(1->?)]-?-D-GalpA-(1->?)-?-L-Rhap-(1->?)[?-D-GlcpA-(1->?)]-?-D-GalpA-(1->?)-?-L-Rhap-(1->?)[?-D-GlcpA-(1->?)]-?-D-GalpA-(1->?)-L-Man(?->