1-{(4S,2R,3R,5R)-5-[({2-[(4S,2R,3R,5R)-2-(2,4-Dioxo(1,3-dihydropyrimidinyl))-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl]ethyl}(hydroxyamino))methyl]-3,4-dihydroxyoxolan-2-yl}-1,3-dihydropyrimidine-2,4-dione AIDS-152702 AIDS152702 NSC697592