1-丙基吡咯烷-2,5-二酮

1,6-二氧杂螺[4.4]壬烷-2,7-二酮

1-(4-nitrophenyl)pyrrolidine-2,5-dione

1-(3-nitrophenyl)pyrrolidine-2,5-dione

bis(4-nitrophenyl) butanedioate