The molecule is a disaccharide derivative consisting of two D-galactose residues linked (1->4), feruloylated at O-6 of the residue at the non-reducing end.
[(2R,3R,4S,5R,6S)-3,4,5-trihydroxy-6-[(2R,3R,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl (E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate