1-amino-3-(p-tolyl)benzo[4,5]imidazo[1,2-a]pyridine-2,4-dicarbonitrile

2-(4-甲氧基苯基)-1H-苯并咪唑

1-Amino-3-(4-methoxy-phenyl)-benzo[4,5]imidazo[1,2-a]pyridine-2,4-dicarbonitrile

3-(1,3-dihydrobenzimidazol-2-ylidene)chromene-2,7-dione

3-hydroxy-1-oxo-2-phenyl-5H-pyrido[1,2-a]benzimidazole-4-carbonitrile