Methyl 6-amino-5-cyclopropylnicotinate

9-(2-methoxy-5-methylphenyl)-1,7-dimethyl-3-pentyl-1H,2H,3H,4H,6H,7H,8H,9H-pyrimido[1,2-g]purine-2,4-dione

ethyl 2-(9-(2-methoxy-5-methylphenyl)-1,7-dimethyl-2,4-dioxo-1,2,6,7,8,9-hexahydropyrimido[2,1-f]purin-3(4H)-yl)acetate

Ethyl 2-[8-(3-chloro-4-methoxyphenyl)-1-methyl-2,4-dioxo-1,3,5-trihydroimidazo lidino[1,2-h]purin-3-yl]acetate

8-(2-Methoxy-5-methylphenyl)-1-methyl-3-[(2-methylphenyl)methyl]-1,3,5-trihydr oimidazolidino[1,2-h]purine-2,4-dione

8-(2-Methoxy-5-methylphenyl)-1-methyl-3-[(3-methylphenyl)methyl]-1,3,5-trihydr oimidazolidino[1,2-h]purine-2,4-dione

3-[(2,5-Dimethylphenyl)methyl]-8-(2-methoxy-5-methylphenyl)-1-methyl-1,3,5-tri hydroimidazolidino[1,2-h]purine-2,4-dione

8-(2-(benzyloxy)phenyl)-1,3,6,7-tetramethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

1,3,6,7-tetramethyl-8-(2-((4-methylbenzyl)oxy)phenyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

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

N-(4-ethoxyphenyl)-2-(3-(4-methoxybenzyl)-2,4-dioxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-1(2H)-yl)acetamide