2-(3,5-dimethylpyrazol-1-yl)-4-thiophen-2-yl-1,3-thiazole

1-thiophen-2-yl-2-(1,2,4-triazol-1-yl)prop-2-en-1-one

9-methyl-3-thiophen-2-yl-1,4-dihydropurino[8,7-c][1,2,4]triazine-6,8-dione

1-ethyl-9-methyl-3-thiophen-2-yl-4H-purino[8,7-c][1,2,4]triazine-6,8-dione

9-methyl-1-phenyl-3-thiophen-2-yl-4H-purino[8,7-c][1,2,4]triazine-6,8-dione