3-Cyano-N-[(4-fluorophenyl)methyl]-1,7-dihydro-6-hydroxy-7-oxopyrazolo[1,5-a]pyrimidine-5-carboxamide

9-(3,5-dimethylphenyl)-3-(3-hydroxypropyl)-1-methyl-6,7,8,9a,10,10a-hexahydro-4aH-purino[7,8-a]pyrimidine-2,4-dione

4,7-Dimethyl-6-(4-methylphenyl)-2-(2-methylpropyl)-4a,9a-dihydropurino[7,8-a]imidazole-1,3-dione

Methyl 2-[6-(3-chlorophenyl)-4-methyl-1,3-dioxo-4a,7,8,9a-tetrahydropurino[7,8-a]imidazol-2-yl]acetate

6-(4-ethoxyphenyl)-4-methyl-2-(3-methylbutyl)-8,9a-dihydro-7H-purino[7,8-a]imidazol-9-ium-1,3-dione

1',4-Dimethyl-1-phenyl-[3,4'-bi-1H-pyrazol]-5-amine

2-(6-methoxy-1,3-benzothiazol-2-yl)-1-(3,4,5-trimethoxyphenyl)-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione

4-Methyl-6-(2-methylphenyl)-2-(2-methylprop-2-enyl)-4a,7,8,9a-tetrahydropurino[7,8-a]imidazole-1,3-dione

4-Methyl-2-(3-methylbutyl)-6-(4-methylphenyl)-4a,7,8,9a-tetrahydropurino[7,8-a]imidazole-1,3-dione

1-[[1,3-dimethyl-7-(naphthalen-1-ylmethyl)-2,6-dioxo-5H-purin-7-ium-8-yl]methyl]piperidine-4-carboxamide

5-(4-chlorophenyl)-1,3-dimethyl-8,9-dihydro-7H-pyrimido[4,5-b]quinolin-10-ium-2,4,6-trione