1-(3'-Azido-2',3',5'-trideoxy-.beta.-D-allofuranosyl)thymine 130481-61-7 2,4(1H,3H)-Pyrimidinedione, 1-(3-azido-2,3,5-trideoxy-.beta.-D-erythro-hexofuranosyl)-5-methyl- AIDS-001174 AIDS001174 AZT analog Homo-AZT