1 6FB Pyrido[3,4-G]quinazolin-2-amine 1.000 2 6FD Pyrido[3,4-G]quinazoline-2,10-diamine 0.938 3 XDK 2-amino-4-pyridyl-pyrimidine 0.750 4 V5T 4-(1~{H}-indol-3-yl)pyrimidin-2-amine 0.722 5 07C 2-methylsulfanyl-10-nitro-pyrido[3,4-G]quinazoline 0.700 6 HQB ~{N}-methyl-10-nitro-pyrido[3,4-G]quinazolin-2-amine 0.700