(2R,3R,4S,5S,6R)-2-[[(2R,3S,4R,5R,6R)-6-(Dodecyloxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]oxy]-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol