4-{[(2E)-4-oxo-1,3-thiazolidin-2-ylidene]amino}benzoic acid

2-(2-chloro-6-ethoxy-4-formylphenoxy)-N-phenylacetamide

4-[(5-chloro-6-oxo-1-phenyl-1,6-dihydropyridazin-4-yl)oxy]-3-methoxybenzaldehyde

methyl 2-{[(4-formyl-2-methoxyphenoxy)acetyl]amino}benzoate

5-bromo-2-isobutoxybenzoic acid

isopropyl (4-formyl-2-methoxyphenoxy)acetate

isopropyl (5-bromo-2-ethoxy-4-formylphenoxy)acetate

4-{[5-chloro-1-(4-methylphenyl)-6-oxo-1,6-dihydropyridazin-4-yl]oxy}-3-methoxybenzaldehyde

1-(2-fluorophenyl)-1',3'-dimethyl-1H,1'H-3,4'-bipyrazole-4-carbaldehyde

6-cyclopropyl-1-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-(4-fluorophenyl)-3,6-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid