1 XXZ 1-[4-(aminomethyl)benzoyl]-5'-fluoro-1'H-spiro[piperidine-4,2'-quinazolin]-4'-amine 1.000 2 B14 1-(6-cyano-3-pyridylcarbonyl)-5',8'-difluorospiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine 0.897 3 1A2 5-(4'-amino-1'-ethyl-5',8'-difluoro-1'H-spiro[piperidine-4,2'-quinazoline]-1-ylcarbonyl)picolinonitrile 0.839