4-[2-(3-methylbut-2-enoxy)phenyl]-2-oxobut-3-enoic acid

2-(4-Methoxyphenyl)-6-methylquinoline-4-carboxylic acid

5-Nitro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid

8-amino-3-methyl-6-sulfanylidene-7H-pyrimido[1,6-b][1,2,4]triazin-2-one

10-hydroxy-3-phenyl-8-sulfobenzo[f]quinoline-1-carboxylic acid