1,2-Cyclopentanediol, 3-(2-amino-6-chloro-9H-purin-9-yl)-5-(hydroxymethyl)-, (1.alpha.,2.beta.,3.beta.,5.beta.)-(1)- 75797-17-0 AIDS-001034 AIDS001034 C-6-Cl-ara-G Carbocyclic-6-chloro ara-guanosine NSC613816