177365-14-9 2'-Fluoro-2',3'-dideoxy-L-arabinofuranosylcytosine 2'F-dd-L-araC 2(1H)-Pyrimidinone, 4-amino-1-(2,3-dideoxy-3-fluoro-.beta.-L-erythro-pentofuranosyl)- AIDS-001167 AIDS001167