1,2-Cyclopentanediol, 3-(6-amino-9H-purin-9-yl)-5-(hydroxymethyl)-, (1S,2S,3R,5R) 91382-84-2 AIDS-001022 AIDS001022 C-2',3'-OH-xylo-A Carbocyclic-2',3'-OH xylo-adenosine NSC613806