4-O-[2-(2,5-dioxopyrrolidin-1-yl)ethyl] 1-O-methyl (E)-but-2-enedioate

4-O-[2-(2,5-dioxopyrrolidin-1-yl)ethyl] 1-O-methyl (E)-but-2-enedioate · CAS 1577222-14-0