methyl 4-methoxalyl-3-methylpyrrolo<2,1,5-cd>indolizine-2-carboxylate

4-hydroxy-1-methoxalyl-2-methyl-3H-pyrrolo<2,1,5-de>quinolizin-3-one

3-(1,1-dimethoxypentyl)-1H-naphtho<2,3-g>indazole-6,11-dione

6-(4-Fluoro-phenylamino)-quinoline-5,8-dione

6-(4-Fluoro-phenylamino)-7-methoxy-quinoline-5,8-dione