propan-2-yl N-(4-nitrophenyl)carbamate

2,2'-diamino-3H,3'H-6,6'-propane-1,3-diylidenediamino-bis-pyrimidin-4-one

dimethylamino N-(4-nitrophenyl)carbamate

甲基(4-硝基苯基)氨基甲酸酯

1,3-二(4-硝基苯基)-1,3-二吖丁啶-2,4-二酮