3-(2-甲基-1H-吲哚-3-基)吡咯烷-2,5-二酮

1-(diethylaminomethyl)pyrrole-2,5-dione

3-(3-methoxyphenyl)pyrrole-2,5-dione

1,5-二氢-2-吡咯酮

1-trimethylsilylpyrrole-2,5-dione