Name: (2R,3S,4R,5R)-5-(2-AMINO-6-OXO-3H-PURIN-9-YL)-3,4-DIHYDROXYOXOLAN-2-YL]METHOXY-HYDROXYPHOSPHORYL]OXY-HYDROXYPHOSPHORYL] [(2R,3S,4R,5R)-5-(2-AMINO-6-OX