121231-92-3 2,6-Diamino-9-(3-azido-2,3-dideoxy-.alpha.-D-erythro-pentofuranosyl)purine 9H-Purine-2,6-diamine, 9-(3-azido-2,3-dideoxy-.alpha.-D-erythro-pentofuranosyl)- AIDS-001199 AIDS001199 AzddDAPR (alpha)