132776-19-3 2,3'-Anhydro-1-(5-O-benzoyl-2-deoxy-2-fluoro-D-lyxofuranosyl)thymine 2,5-Methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one, 3-[(benzoyloxy)methyl]-11-fluoro-2,3-dihydro-8-methyl-, [2S-(2a,3b,5a,11R*)]- AIDS-002768 AIDS002768 Anhydro nucleoside Fluorinated Sugar Analog