(R)-1-(5-fluoropyrimidin-2-yl)piperidin-3-ol

7-(4-ethoxyphenyl)-1,3-dimethyl-5-((pyridin-3-ylmethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

7-(4-ethoxyphenyl)-1,3-dimethyl-5-((pyridin-2-ylmethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

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

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

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

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

2-((2-(3,5-dimethylphenyl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(2-methoxyethyl)acetamide

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

7-(3,4-dimethoxyphenyl)-1,3-dimethyl-5-((2-(4-methylpiperidin-1-yl)-2-oxoethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

7-(3,4-dimethoxyphenyl)-1,3-dimethyl-5-((2-(piperidin-1-yl)ethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione