The molecule is an amino octasaccharide comprising two acetylated glucosamine residues and six alpha-L-rhamnose residues, one of which is at the reducing end.
N-[(2S,3R,4S,5S,6S)-4-[(2S,3R,4R,5S,6S)-4-[(2S,3R,4R,5R,6S)-3-[(2S,3R,4R,5R,6S)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxy-6-methyloxan-2-yl]oxy-4,5-dihydroxy-6-methyloxan-2-yl]oxy-3,5-dihydroxy-6-methyloxan-2-yl]oxy-2-[(2S,3R,4R,5R,6S)-4,5-dihydroxy-6-methyl-2-[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyloxan-3-yl]oxyoxan-3-yl]oxy-5-hydroxy-6-methyloxan-3-yl]acetamide