The molecule is a disaccharide derivative comprising methyl alpha-D-galactoside having an alpha-D-galactosyl residue at the 3-position. It is a methyl glycoside and a disaccharide derivative. It derives from an alpha-D-galactose.
(2R,3R,4S,5R,6R)-2-[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-methoxyoxan-4-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol