(2R,3R,4R,5R)-2,3,5,6-Tetrahydroxy-4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-((((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal