6-acetyl-7H-benzo[a]phenazin-5-one

3-(1,3-dihydrobenzimidazol-2-ylidene)-1H-1,7-naphthyridine-2,4-dione

2,2-[1,4-亚苯基双(亚甲基)]双-1H-苯并咪唑

6-(4-phenyl-1,3-dihydro-1,5-benzodiazepin-2-ylidene)cyclohexa-2,4-dien-1-one

N,N'-bis(5-chlorosalicylidene)-1,2-phenylenediamine