?-Hex-(?->?),?-Hex-(?->?),?-6-deoxy-Hex-(?->?),?-6-deoxy-Hex4N-(?->?),?-Hep-(?->?),?-Hep-(?->?),?-3-deoxy-Non2ulo-onic-(?->?),?-3,9-deoxy-Non2ulo5,7Ac25,7N2-onic-(?->?)