1 O57 10-benzyl-2-fluoro-5,10-dihydro-11h-dibenzo[B,E][1,4]diazepin-11-one 1.000 2 NQ1 10-benzyl-8-fluoro-5,10-dihydro-11h-dibenzo[B,E][1,4]diazepin-11-one 0.920 3 18F 1-benzyl-2-phenyl-1h-benzimidazole 0.840 4 T50 1-(2,6-difluorobenzyl)-2-(2,6-difluorophenyl)-4-methyl-1h-benzimidazole 0.700