4-{(2R,3R,4R,5R)-4-Hydroxy-5-[9-(4-octadecyloxy-phenyl)-9H-xanthen-9-yloxymethyl]-2-[2-oxo-4-(2,4,6-trimethyl-phenoxy)-2H-pyrimidin-1-yl]-tetrahydro-furan-3-yloxy}-4-methoxy-heptanedioic acid dimethyl ester

2'-O-(1,5-dicarbomethoxy-3-methoxypentan-3-yl)-N-3-toluoyluridine