3,4-Dihydro-7-hydroxy-4-methyl-2(1h)-quinolinone

5-((2-(4-benzylpiperidin-1-yl)-2-oxoethyl)thio)-7-butyl-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

7-butyl-5-((2-(3,4-dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

2-((2-butyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-((tetrahydrofuran-2-yl)methyl)acetamide

N-(benzo[d]thiazol-2-yl)-2-((2-butyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide

7-butyl-5-((2-(4-methoxyphenyl)-2-oxoethyl)thio)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

7-cyclopentyl-5-((2-(indolin-1-yl)-2-oxoethyl)thio)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

N-(benzo[d][1,3]dioxol-5-yl)-2-((2-cyclopentyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide

2-((2-cyclopentyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

2-((2-cyclopentyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide

7-cyclopentyl-5-((2-(4-methoxyphenyl)-2-oxoethyl)thio)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione