3-(2-hydroxyethyl)-1,2,3-benzotriazin-4-one

2-(2-aminophenyl)-3,1-benzoxazin-4-one

3-methyl-2-(4-methylphenyl)quinazolin-4-one

2-(4-chlorophenyl)-1H-quinazolin-4-one

3-pyridin-2-yl-1,2,3-benzotriazin-4-one