The molecule is a branched trisaccharide that is 2-acetamido-beta-D-quinovose (= 2-acetamido-2,6-dideoxy-beta-D-glucopyranose) which has been glycosylated at positions 3 and 4 by beta-D-galactopyranosyl and alpha-L-fucopyranosyl (= 6-deoxy-alpha-L-galactopyranosyl) groups, respectively.
N-[(2R,3R,4R,5R,6R)-2-hydroxy-6-methyl-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]acetamide