2-{[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-hydrazonomethyl}-6-methyl-chromen-4-one
2-{[1-(2-Chloro-phenyl)-meth-(E)-ylidene]-hydrazonomethyl}-6-methyl-chromen-4-one
2-{[(E)-2-Hydroxy-phenylimino]-methyl}-6-methyl-chromen-4-one
6-Methyl-4-oxo-4H-1-benzopyran-2-carboxaldehyde phenylhydrazone
3-(5'-Methyl-2'-hydroxybenzoylylidine)-5,6-dihydropyrazine