(2R,3R,4S,5S,6R)-2-(((2S,4aR,6S,7R,8R,8aR)-7-acetamido-6-(octyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-yl)oxy)-4-(allyloxy)-6-((benzoyloxy)methyl)tetrahydro-2H-pyran-3,5-diyl dibenzoate