(2R-cis)-4-(6-Amino-9H-purin-9-yl)tetrahydro-2-furanmethanol 127682-75-1 AIDS-000362 AIDS000362 Iso-ddA IsoddA L-threo-Pentitol, 2-(6-amino-9H-purin-9-yl)-1,4-anhydro-2,3-dideoxy- Ro 24-5098