116333-41-6 5'-[(1,4-Dihydro-1-methyl-3-pyridinylcarbonyl)oxy]-3'-azido-2',3'-deoxythymidine AIDS-000044 AIDS000044 AZT Prodrug AZT-DHP DP-AZT HPAZT Thymidine, 3'-azido-3'-deoxy-, 5'-(1,4-dihydro-1-methyl-3-pyridinecarboxylate)