2-(3-chloro-1H-quinoxalin-2-ylidene)propanedinitrile

2-phenyl-1H-pyrrolo[3,2-b]quinoxaline

fluoflavine

2-(1H-benzimidazol-2-yl)-1H-benzimidazole

(3-hydrazinylquinoxalin-2-yl)hydrazine