114551-64-3 2',3'-Dideoxy-5-aza-6-deaza-4-deoxo-4-imino-cytidine 4(1H)-Pyrimidinone, 2-amino-5-[tetrahydro-5-(hydroxymethyl)-2-furanyl]-, (2R-cis)- 5-Aza-1-deaza-2',3'-dideoxycytosine 5-Aza-1-deaza-ddC AIDS-000939 AIDS000939