(2,5-dioxopyrrolidin-1-yl) 2-fluorobenzoate

(2,5-dioxopyrrolidin-1-yl) 3-methylsulfanylpropanoate

bis(2,5-dioxopyrrolidin-1-yl) nonanedioate

(2,5-dioxopyrrolidin-1-yl) 4-(2-methoxy-4-nitrophenoxy)butanoate

5-[(2-溴乙酰基)氨基]-戊酸 2,5-二氧代-1-吡咯烷基酯