4-(4-Ethyl-1-piperazinyl)-1,2-benzenediamine

N-[(4-methoxyphenyl)methyl]-4-{8-oxo-6-[({[(oxolan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl}butanamide

4-{6-[({[(furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl}-N-[(4-methoxyphenyl)methyl]butanamide

N-[(furan-2-yl)methyl]-2-{[7-(3-{[(4-methoxyphenyl)methyl]carbamoyl}propyl)-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-6-yl]sulfanyl}butanamide

4-[6-{[2-(benzylamino)-2-oxoethyl]thio}-8-oxo[1,3]dioxolo[4,5-g]quinazolin-7(8H)-yl]-N-(4-methoxybenzyl)butanamide

N-(2-methoxyphenyl)-2-{[7-(3-{[(4-methoxyphenyl)methyl]carbamoyl}propyl)-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-6-yl]sulfanyl}butanamide

N-[(2H-1,3-benzodioxol-5-yl)methyl]-4-{8-oxo-6-[({[(oxolan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl}butanamide

N-[(2H-1,3-benzodioxol-5-yl)methyl]-4-{6-[({[(furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl}butanamide

N-[(2H-1,3-benzodioxol-5-yl)methyl]-4-(6-{[(benzylcarbamoyl)methyl]sulfanyl}-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide

2-[(7-{4-[(1,3-benzodioxol-5-ylmethyl)amino]-4-oxobutyl}-8-oxo-7,8-dihydro[1,3]dioxolo[4,5-g]quinazolin-6-yl)thio]-N-(pyridin-3-ylmethyl)butanamide

N-[(2H-1,3-benzodioxol-5-yl)methyl]-4-[6-({[(3-methoxyphenyl)carbamoyl]methyl}sulfanyl)-8-oxo-2H,7H,8H-[1,3]dioxolo[4,5-g]quinazolin-7-yl]butanamide