131673-56-8 2',3'-Dideoxy-3'-(5-methyl-1H-1,2,3-triazol-1-yl)uridine-5'-triphosphate 3'-5-MeTriazol-ddUTP AIDS-001974 AIDS001974 Uridine 5'-(tetrahydrogen triphosphate), 2',3'-dideoxy-3'-(5-methyl-1H-1,2,3-triazol-1-yl)-