bis-(2-amino-benzylidene)-hydrazine

3-methyl-2H-pyrazolo[3,4-b]quinoline

4-[(2-aminophenyl)methylidene]-3-methyl-1H-pyrazol-5-one

3-phenyl-2H-pyrazolo[3,4-b]quinoline

3-({[1-(2-Amino-phenyl)-meth-(Z)-ylidene]-hydrazono}-phenyl-methyl)-1H-quinolin-2-one