(3E)-3-[2-(4-nitrophenyl)-2-oxoethylidene]-1,4-dihydroquinoxalin-2-one

2-(1H-苯并咪唑-2-基)-1-苯基-乙酮

6-(1,3-dihydrobenzimidazol-2-ylidene)-2-methylcyclohexa-2,4-dien-1-one

[5-(3-oxoquinoxalin-2-ylidene)-2-phenyl-1H-pyrazol-3-yl]methyl acetate

3-[3-(hydroxymethyl)-2-phenyl-1H-pyrazol-5-ylidene]quinoxalin-2-one