6-Ethyl-2-(p-tolyl)-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid

7-[(4-Chlorophenyl)methyl]-3,9-dimethyl-1-propan-2-yl-4,5a-dihydropurino[8,7-c][1,2,4]triazin-5-ium-6,8-dione

1-[(2-fluorophenyl)methyl]-3,9-dimethyl-7-prop-2-enyl-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

1-[(4-fluorophenyl)methyl]-3,9-dimethyl-7-(2-methylprop-2-enyl)-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

7-[(2,5-dimethylphenyl)methyl]-1-(2-methoxyethyl)-3,4,9-trimethyl-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

7-[(4-chlorophenyl)methyl]-1-ethyl-3,9-dimethyl-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

ethyl 3-(6-butan-2-yl-4,7,8-trimethyl-1,3-dioxo-9aH-purino[7,8-a]imidazol-9-ium-2-yl)propanoate

7-[(4-chlorophenyl)methyl]-1-(3-hydroxypropyl)-3,9-dimethyl-1H,4H,6H,7H,8H,9H-[1,2,4]triazino[4,3-g]purine-6,8-dione

7-[(2,5-dimethylphenyl)methyl]-1-ethyl-3,9-dimethyl-5a,9a,10,10a-tetrahydro-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

7-[(4-fluorophenyl)methyl]-3,4,9-trimethyl-1-(prop-2-en-1-yl)-1H,4H,6H,7H,8H,9H-[1,2,4]triazino[4,3-g]purine-6,8-dione

N-(4-ethoxyphenyl)-2-{3-[(4-fluorophenyl)methyl]-2,4-dioxo-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-1-yl}acetamide