130515-68-3 2,2'-Anhydro-3'-Az-SecoddT 7H-Oxazolo[3,2-a]pyrimidin-7-one, 3-[2-azido-1-(hydroxymethyl)ethoxy]-2,3-dihydro-6-methyl-, [S-(R*,S*)]- AIDS-001473 AIDS001473 O^2,2'-Anhydro-3'-azido-2',3'-dideoxy-2',3'-secothymidine