1 0V2 6-amino-4-[2-({[trans-4-(biphenyl-4-ylethynyl)cyclohexyl]methyl}amino)ethyl]-2-(methylamino)-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 1.000 2 0V3 6-amino-2-(methylamino)-4-[2-({[trans-4-(pyridin-3-ylethynyl)cyclohexyl]methyl}amino)ethyl]-1,7-dihydro-8h-imidazo[4,5-G]quinazolin-8-one 0.810