The molecule is a glycoside that consists of alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucose having a 2-(2-aminocarbonylethylthio)ethyl moiety attached to the reducing end anomeric centre. It is a glycoside, an aliphatic sulfide, a trisaccharide derivative and a monocarboxylic acid amide.
3-[2-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethylsulfanyl]propanamide