2-(1-Chloro-2-oxopropyl)-3-(trifluoromethylthio)toluene

5-[2-(azepan-1-yl)-2-oxo-ethyl]sulfanyl-1,3-dimethyl-7-(2-thienyl)pyrimido[4,5-d]pyrimidine-2,4-dione

1,3-dimethyl-5-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanyl-7-(2-thienyl)pyrimido[4,5-d]pyrimidine-2,4-dione

5-[2-(4-benzyl-1-piperidyl)-2-oxo-ethyl]sulfanyl-1,3-dimethyl-7-(2-thienyl)pyrimido[4,5-d]pyrimidine-2,4-dione

ethyl 4-[2-[1,3-dimethyl-2,4-dioxo-7-(2-thienyl)pyrimido[4,5-d]pyrimidin-5-yl]sulfanylacetyl]piperazine-1-carboxylate

5-(2-indolin-1-yl-2-oxo-ethyl)sulfanyl-1,3-dimethyl-7-(2-thienyl)pyrimido[4,5-d]pyrimidine-2,4-dione

2-[1,3-dimethyl-2,4-dioxo-7-(2-thienyl)pyrimido[4,5-d]pyrimidin-5-yl]sulfanyl-N-(4-methoxyphenyl)acetamide

2-[1,3-dimethyl-2,4-dioxo-7-(2-thienyl)pyrimido[4,5-d]pyrimidin-5-yl]sulfanyl-N-(2-ethoxyphenyl)acetamide

ethyl 4-[[2-[1,3-dimethyl-2,4-dioxo-7-(2-thienyl)pyrimido[4,5-d]pyrimidin-5-yl]sulfanylacetyl]amino]benzoate

2-[1,3-dimethyl-2,4-dioxo-7-(2-thienyl)pyrimido[4,5-d]pyrimidin-5-yl]sulfanyl-N-(5-ethylsulfanyl-1,3,4-thiadiazol-2-yl)acetamide

5-[2-(4-methoxyphenyl)-2-oxo-ethyl]sulfanyl-1,3-dimethyl-7-(2-thienyl)pyrimido[4,5-d]pyrimidine-2,4-dione