1 BKS 5-(4-chlorophenyl)-7-phenyl-3,7-dihydro-4h-pyrrolo[2,3-D]pyrimidin-4-one 1.000 2 BKI 5-(4-bromophenyl)-7-phenyl-3,7-dihydro-4h-pyrrolo[2,3-D]pyrimidin-4-one 0.917 3 BKV 7-(4-bromophenyl)-5-phenyl-3,7-dihydro-4h-pyrrolo[2,3-D]pyrimidin-4-one 0.917 4 BKE 7-(4-methoxyphenyl)-5-phenyl-3,7-dihydro-4h-pyrrolo[2,3-D]pyrimidin-4-one 0.880 5 6FV 10-(4-hydroxyphenyl)-2,4-dioxo-2,3,4,10-tetrahydropyrimido[4,5-B]quinoline-8-carbonitrile 0.714