130515-67-2 2,4(1H,3H)-Pyrimidinedione, 1-[1-[2-azido-1-(hydroxymethyl)ethoxy]-2-hydroxyethyl]-5-methyl-, [S-(R*,S*)]- 3'-Az-Seco-ribo-ddT 3'-Azido-3'-deoxy-2',3'-seco-2'-hydroxythymidine AIDS-001474 AIDS001474