The molecule is a carboxylic ester obtained by formal condensation of 9-(alpha-D-galactosyloxy)nonanoic acid and methanol. It is an alpha-D-galactoside, a monosaccharide derivative and a methyl ester.
methyl 9-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxynonanoate