6-Benzyl-5,7-dioxooctahydropyrrolo[3,4-b]pyridine (CAS NO.128740-13-6) is also called 6-benzyl-1,2,3,4,4a,7a-hexahydropyrrolo[3,4-b]pyridine-5,7-dione ; 6-benzyltetrahydro-1H-pyrrolo[3,4-b]pyridine-5,7(2H,6H)-dione .