103828-81-5 2',2'-Difluorodeoxyribofuranosyl-2,6-diaminopurine 2'-Dfdap 9-(2-Deoxy-2,2-difluoro-D-erythro-pentofuranosyl)-9H-purine-2,6-diamine 9H-Purine-2,6-diamine, 9-(2-deoxy-2,2-difluoro-D-erythro-pentofuranosyl)- LY 207702 LY-207702