(5-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-6-yl)acetic acid

2-(2-oxo-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-3-yl)-N-propylacetamide

N-(2-methoxyethyl)-2-(5-oxo-5,6-dihydro-4H-imidazo[1,2-b][1,2,4]triazol-6-yl)acetamide

5-(2-furyl)-2-methylthieno[2,3-d]pyrimidin-4(3H)-one

5-(2-furyl)-2-mercaptothieno[2,3-d]pyrimidin-4(3H)-one

methyl 7-(5-methyl-2-furyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylate

2-[(dimethylamino)methylene]-5-(5-methyl-2-furyl)cyclohexane-1,3-dione

5'-amino-2,3'-bithiophene-4'-carbonitrile

2-[(dimethylamino)methylene]-5-(5-methyl-2-thienyl)cyclohexane-1,3-dione

N-(2-acetylphenyl)-2-chloroacetamide

ethyl 4-methyl-2-oxo-2,3-dihydro-1,3-thiazole-5-carboxylate