A compound selected from the group consisting of 5-(2-p-Tolylethoxy)quinazoline-2,4-diamine; 5-[2-(4-Chlorophenyl)ethoxy] quinazoline-2,4-diamine; 5-(1-Phenylethoxy)quinazoline-2,4-diamine; 5-[3-(4-Chlorophenyl)propoxy]quinazoline-2,4-diamine; 5-p-Tolylethynylquinazoline-2,4-diamine; 5-Phenethyloxyquinazoline-2,4-diamine; 5-( -1-Phenylethoxy)quinazoline-2,4-diamine; 5-(1-Pyridin-4-ylethoxy)quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)ethoxy]quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)propoxy]quinazoline-2,4-diamine; 5-Benzhydryloxyquinazoline-2,4-diamine; 5-( -1-Phenylethoxy)quinazoline-2,4-diamine; 5-(1-Pyridin-2-ylethoxy)quinazoline-2,4-diamine; 5-(1-Thiazol-2-ylethoxy)quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)-2,2-dimethylpropoxy]quinazoline-2,4-diamine; 5-(4-Chlorophenoxymethyl)quinazoline-2,4-diamine; 5-p-Tolyloxymethylquinazoline-2,4-diamine; 5-(4-Fluorophenoxymethyl)quinazoline-2,4-diamine; 5-Thiophen-3-ylmethylquinazoline-2,4-diamine; 5-(4-Chlorobenzenesulfonyl)quinazoline-2,4-diamine; N-5-Cyclooctyl-quinazoline-2,4,5-triamine; 5-(4-Iodobenzyloxy)quinazoline-2,4-diamine; 5-(3-Chlorobenzyloxy)quinazoline-2,4-diamine; 5-(2-Chlorobenzyloxy)quinazoline-2,4-diamine; 5-(2-Methylbenzyloxy)quinazoline-2,4-diamine; 5-(3-Methylbenzyloxy)quinazoline-2,4-diamine; 5-(Pyridin-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Cyclohex-3-enylmethoxy)quinazoline-2,4-diamine; 5-(Cyclobutylmethoxy)quinazoline-2,4-diamine; 5-(2-Methoxyethoxy)quinazoline-2,4-diamine; 5-(Cyclopropylmethoxy)quinazoline-2,4-diamine; 5-(Cyclopentylmethoxy)quinazoline-2,4-diamine; 5-(2-Allyloxyethoxy)quinazoline-2,4-diamine; 5-(1-Methylpiperidin-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Furan-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Thiophen-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Furan-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Pyridin-2-ylmethoxy)quinazoline-2,4-diamine; 5-Octyloxyquinazoline-2,4-diamine; 5-(Thiophen-3-ylmethoxy)quinazoline-2,4-diamine; 5-(5-Methylisoxazol-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Benzo[1,3]dioxol-5-ylmethoxy)quinazoline-2,4-diamine; 5-(Tetrahydropyran-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Cyclohexylmethoxy)quinazoline-2,4-diamine; 5-(3-Methyl-4,5-dihydroisoxazol-5-ylmethoxy)quinazoline-2,4-diamine; or a pharmaceutically acceptable salt thereof. 5-(2-p-Tolylethoxy)quinazoline-2,4-diamine; 5-[2-(4-Chlorophenyl)ethoxy] quinazoline-2,4-diamine; 5-(1-Phenylethoxy)quinazoline-2,4-diamine; 5-[3-(4-Chlorophenyl)propoxy]quinazoline-2,4-diamine; 5-p-Tolylethynylquinazoline-2,4-diamine; 5-Phenethyloxyquinazoline-2,4-diamine; 5-( -1-Phenylethoxy)quinazoline-2,4-diamine; 5-(1-Pyridin-4-ylethoxy)quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)ethoxy]quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)propoxy]quinazoline-2,4-diamine; 5-Benzhydryloxyquinazoline-2,4-diamine; 5-( -1-Phenylethoxy)quinazoline-2,4-diamine; 5-(1-Pyridin-2-ylethoxy)quinazoline-2,4-diamine; 5-(1-Thiazol-2-ylethoxy)quinazoline-2,4-diamine; 5-[1-(4-Chlorophenyl)-2,2-dimethylpropoxy]quinazoline-2,4-diamine; 5-(4-Chlorophenoxymethyl)quinazoline-2,4-diamine; 5-p-Tolyloxymethylquinazoline-2,4-diamine; 5-(4-Fluorophenoxymethyl)quinazoline-2,4-diamine; 5-Thiophen-3-ylmethylquinazoline-2,4-diamine; 5-(4-Chlorobenzenesulfonyl)quinazoline-2,4-diamine; N-5-Cyclooctyl-quinazoline-2,4,5-triamine; 5-(4-Iodobenzyloxy)quinazoline-2,4-diamine; 5-(3-Chlorobenzyloxy)quinazoline-2,4-diamine; 5-(2-Chlorobenzyloxy)quinazoline-2,4-diamine; 5-(2-Methylbenzyloxy)quinazoline-2,4-diamine; 5-(3-Methylbenzyloxy)quinazoline-2,4-diamine; 5-(Pyridin-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Cyclohex-3-enylmethoxy)quinazoline-2,4-diamine; 5-(Cyclobutylmethoxy)quinazoline-2,4-diamine; 5-(2-Methoxyethoxy)quinazoline-2,4-diamine; 5-(Cyclopropylmethoxy)quinazoline-2,4-diamine; 5-(Cyclopentylmethoxy)quinazoline-2,4-diamine; 5-(2-Allyloxyethoxy)quinazoline-2,4-diamine; 5-(1-Methylpiperidin-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Furan-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Thiophen-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Furan-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Pyridin-2-ylmethoxy)quinazoline-2,4-diamine; 5-Octyloxyquinazoline-2,4-diamine; 5-(Thiophen-3-ylmethoxy)quinazoline-2,4-diamine; 5-(5-Methylisoxazol-3-ylmethoxy)quinazoline-2,4-diamine; 5-(Benzo[1,3]dioxol-5-ylmethoxy)quinazoline-2,4-diamine; 5-(Tetrahydropyran-2-ylmethoxy)quinazoline-2,4-diamine; 5-(Cyclohexylmethoxy)quinazoline-2,4-diamine; 5-(3-Methyl-4,5-dihydroisoxazol-5-ylmethoxy)quinazoline-2,4-diamine;