1-(2,3-Dideoxy-2-fluoro-beta-D-threo-pentofuranosyl)cytosine 1-(2,3-Dideoxy-2-fluoropentofuranosyl)cytosine 119555-47-4 2'-F-dd-Ara-C 2'-Fluoro-2',3'-dideoxyarabinosylcytosine 2(1H)-Pyrimidinone, 4-amino-1-(2,3-dideoxy-2-fluoro-beta-D-threo-pentafuranosyl)- 2,3-Ddfpc 4-Amino-1-(2,3-dideoxy-2-fluoro-beta-D-threo-pentafuranosyl)-2(1H)-pyrimidinone