1,2-Cyclopentanediol, 3-(2,6-diamino-9H-purin-9-yl)-5-(hydroxymethyl)-, (1a,2b,3b,5b)- 75797-18-1 AIDS-001036 AIDS001036 C-2,6-NH2-purinenucleoside Carbocyclic-2,6-diaminopurinenucleoside NSC613819