2,5-Dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate

This compound is an active pharmaceutical impurity reference standard used in quality control and analytical testing. It is a carbonate ester derivative featuring a hexahydrofurofuran ring system and a dioxopyrrolidinyl moiety.