N-[6-(4-Ethoxy-phenyl)-4-(5-{N'-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazino}-3-methyl-1-phenyl-1H-pyrazol-4-yl)-4,5-dihydro-pyridazin-3-yl]-N'-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazine

N-[6-(4-Ethoxy-phenyl)-4-(3-methyl-1-phenyl-5-{N'-[1-phenyl-meth-(E)-ylidene]-hydrazino}-1H-pyrazol-4-yl)-4,5-dihydro-pyridazin-3-yl]-N'-[1-phenyl-meth-(E)-ylidene]-hydrazine

3-Chloro-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-6-(4-ethoxy-phenyl)-4,5-dihydro-pyridazine

8-(4-Ethoxy-phenyl)-1-methyl-3-phenyl-3H-4,5-dithia-2,3,6,7-tetraaza-cyclopenta[a]naphthalene

N-[6-(4-Ethoxy-phenyl)-4-(3-methyl-1-phenyl-5-{N'-[1-p-tolyl-meth-(E)-ylidene]-hydrazino}-1H-pyrazol-4-yl)-4,5-dihydro-pyridazin-3-yl]-N'-[1-p-tolyl-meth-(E)-ylidene]-hydrazine