(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl 2,5-dioxopyrrolidin-1-yl carbonate
(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl 2,5-dioxopyrrolidin-1-yl carbonate (CAS 253265-97-3) is an intermediate for Darunavir, available from Mana Pharma, Hyderabad, India.