?-D-Glcp2,6Et23,4S2-(1->?)-?-L-IdopA2S3Et-(1->?)-?-D-Glcp2,6Et24S-(1->?)-?-L-IdopA2S3Et-(1->?)-?-D-Glcp2,6Et24S-(1->?)-?-L-IdopA2S3Et(1->