122111-03-9 (HYDROCHLORIDE) 2',2'-DiF-dC 2'-Deoxy-.beta.-D-2',2'-difluorocytidine 95058-81-4 AIDS-001419 AIDS001419 Cytidine, 2'-deoxy-2',2'-difluoro-2'-Deoxy-.beta.-D-2',2'-difluorocytidine Gemcitabine Gemzar (hydrochloride) LY188011 dFdC