1-phenyl-3-methyl-4-(4-chlorophenylhydrazo)-5-pyrazolone

2,6-dichloro-2l⁴-benzo[d][1,2,3]dithiazole

N-(5-amino-4'-chlorobiphenyl-2-yl)acetamide

methyl 2-(4-chlorophenyl)-5-hydroxy-3-oxo-2,3-dihydropyridazine-6-carboxylate

2-(4-chlorophenyl)-5-hydroxy-3-oxo-2,3-dihydro-pyridazine-6-carboxylic acid