1 9JO N-{trans-4-[3-(2-chlorophenyl)-7-{[3-methyl-4-(4-methylpiperazin-1-yl)phenyl]amino}-2-oxo-3,4-dihydropyrimido[4,5-D]pyrimidin-1(2h)-yl]cyclohexyl}propanamide 1.000 2 AM9 6-(2,6-dimethylphenyl)-2-{[4-(4-methylpiperazin-1-yl)phenyl]amino}pyrimido[5',4':5,6]pyrimido[1,2-a]benzimidazol-5(6h)-one 0.750