1-[2-C-[[2,6-Bis(benzoylamino)-9H-purin-9-yl]methyl]-5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-C-[[2,6-Bis(benzoylamino)-9H-purin-9-yl]methyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione