2-(2,5-二氧代吡咯烷-1-基)氧基乙酸乙酯

1-[dibutyl-(2,5-dioxopyrrolidin-1-yl)oxystannyl]oxypyrrolidine-2,5-dione

1-tributylstannyloxypyrrolidine-2,5-dione

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

2,5-二氧代吡咯烷-1-基4-氟苯甲酸