2-(1H-pyridin-2-ylidene)indene-1,3-dione

2,3-二氢-2,3-二苯基-1,4-酞嗪二酮

2,3-bis(4-methylphenyl)phthalazine-1,4-dione

[2-(吗啉-4-羰基)苯基]-吗啉-4-基-甲酮

2-[2-(1,3-dioxoisoindol-2-yl)phenyl]isoindole-1,3-dione