benzyl (((2R,3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-(((R)-16-((2-(benzyloxy)-2-oxoethyl)amino)-2-methyl-16-oxohexadec-9-en-3-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl) succinate