?-L-IdopA2S-(1->?)-?-D-GlcpN2,6S2-(1->?)-?-D-IdopA2S-(1->?)-?-D-GlcpN2,6S2-(1->?)-?-D-IdopA2S-(1->?)-?-D-GlcpN2,6S2-(1->?)-?-D-IdopA2S-(1->?)-?-D-GlcpN2,6S2-(1->?)-?-D-IdopA2S-(1->?)-D-Man6S(?->