4-O-[3-O-(2-O,3-O,4-O,6-O-Tetramethyl-β-D-galactopyranosyl)-2-O,4-O,6-O-trimethyl-β-D-galactopyranosyl]-1-O,2-O,3-O,5-O,6-O-pentamethyl-D-glucitol