The molecule is a branched hexasaccharide consisting of alpha-D-Man at the reducing end having alpha-D-Gal-(1->2)-alpha-D-Gal-(1->6)-alpha-D-Gal and alpha-D-Man-(1->2)-alpha-D-Man groups attached at the 3- and 6-positions respectively.
(2R,3S,4S,5S,6R)-2-[(2S,3S,4S,5S,6R)-2-[[(2R,3R,4S,5S,6S)-4-[(2R,3R,4S,5R,6R)-6-[[(2S,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxymethyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,5,6-trihydroxyoxan-2-yl]methoxy]-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol