(2,5-dioxopyrrolidin-1-yl) 4-nitrobenzoate

α-(p-nitrophenyl)-N-(2-phenylethyl)nitrone

3-溴-3-(4-硝基苯基)-3H-双吖丙啶

(2-sulfanylidenepyridin-1-yl) 3-phenylpropanoate