1-Chloro-3-fluoro-5-(propan-2-yloxy)benzene

8-(2,5-Dimethylphenyl)-3-[(2,5-dimethylphenyl)methyl]-1-methyl-1,3,5-trihydroi midazolidino[1,2-h]purine-2,4-dione

3-(4-chlorobenzyl)-8-(2-(2-hydroxyethoxy)ethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

3-cinnamyl-8-(2-(2-hydroxyethoxy)ethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

8-isobutyl-1,6,7-trimethyl-3-(4-methylbenzyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

3-(3-chlorobenzyl)-9-(2,3-dimethylphenyl)-1-methyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione

1-methyl-3-(naphthalen-1-ylmethyl)-7-phenyloxazolo[2,3-f]purine-2,4(1H,3H)-dione

1,6,7-Trimethyl-3-[(2-methylphenyl)methyl]-8-(methylpropyl)-1,3,5-trihydro-4-i midazolino[1,2-h]purine-2,4-dione

8-isobutyl-1,6,7-trimethyl-3-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

8-(2,4-Dimethylphenyl)-1-methyl-3-benzyl-1,3,5-trihydroimidazolidino[1,2-h]pur ine-2,4-dione

6-[2-(4-Benzylpiperidin-1-yl)ethyl]-4,7-dimethylpurino[7,8-a]imidazole-1,3-dione