5-[4a(2)-(Bromomethyl)[1,1a(2)-biphenyl]-4-yl]-1-(triphenylmethyl)-1H-tetrazole

9-(2-methoxyphenyl)-2-(4-nitrophenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide

2-(3,4-dichlorophenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide

2-(2,4-dichlorophenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide

5-((2,4-dioxopentan-3-yl)thio)-1,3-dimethyl-7-(m-tolyl)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

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

7-(2-methoxyphenyl)-1,3-dimethyl-5-((2-oxo-2-phenylethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

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

N-(4-acetylphenyl)-2-((1-(4-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide

N-(2-chlorobenzyl)-2-((1-(4-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide

N-[(2H-1,3-benzodioxol-5-yl)methyl]-2-{[1-(2,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl}acetamide