4-phenylbenzo[f]isoindole-1,3-dione

1-乙烯基-1H-吡咯-2,5-二酮

3-phenylselanylpyrrolidine-2,5-dione

1-triethylstannylpyrrole-2,5-dione

3-(2,5-dioxopyrrolidin-3-yl)pyrrolidine-2,5-dione