.alpha.-2'-Deoxy-3-deaza G 4H-Imidazo[4,5-c]pyridin-4-one, 6-amino-1-(2-deoxy-.alpha.-D-erythro-pentofuranosyl)-1,5-dihydro- 6-Amino-1,5-dihydro-1-(2-deoxy-.alpha.-D-erythro-pentofuranosyl)imidazo[4,5-c]-pyridin-4-one 83587-62-6 AIDS-001820 AIDS001820