1-((2R,4S,5R)-5-Aminomethyl-4-hydroxy-tetrahydro-furan-2-yl)-5-iodo-2,4(1H,3H)-pyrimidinedione 5'-Amino-2',5'-dideoxy-5-iodouridine 5'-NH2-IddUrd AIDDU AIDS-072379 AIDS072379