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