4,4,6-trimethyl-4H-pyrrolo[3,2,1-ij]quinoline-1,2-dione

5-bromo-1-isobutyl-1H-indole-2,3-dione

methyl (2E)-(3-oxopiperazin-2-ylidene)acetate

methyl (2E)-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-ylidene)acetate

4,4-dimethyl-5-propyl-4,5-dihydro-1H-[1,2]dithiolo[3,4-c]quinoline-1-thione

(1E)-8-ethyl-4,4,6-trimethyl-4H-pyrrolo[3,2,1-ij]quinoline-1,2-dione 1-thiosemicarbazone

7-(4-methoxyphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid

2-amino-7-(2-thienyl)-7,8-dihydroquinazolin-5(6H)-one

7-(2-furyl)-2-methyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-5-carboxylic acid

N-(6,7-dimethoxy-4-oxo-1,4-dihydroquinazolin-2-yl)guanidine

3-isopropylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione