1-(4-Amino-5H-pyrrolo[3,2-d]pyrimidin-7-yl)-1,4-anhydropentitol 77691-03-3 (FREE BASE) 9-Deazaadenosine AIDS-129527 AIDS129527 NSC352890 (FREE BASE) {5H-Pyrrolo[3,2-d]pyrimidine-4-amine,} 7-.beta.-D- ribofuranosyl-