.alpha.-D-erythro-Pentofuranoside, adenine-9 2-deoxy- .alpha.-Deoxyadenosine 2'-Deoxy-.alpha.-adenosine 3413-66-9 9H-Purin-6-amine, 9-(2-deoxy-.alpha.-D-erythro-pentofuranosyl)- Adenine, 9-(2-deoxy-.alpha.-D-erythro-pentofuranosyl)- NSC91774