cis-1-Benzyl 6-tert-butyl 4a-ethyl hexahydro-1H-pyrrolo[3,4-b]pyridine-1,4a,6(2H)-tricarboxylate 1g

cis-1-Benzyl 6-tert-butyl 4a-ethyl hexahydro-1H-pyrrolo[3,4-b]pyridine-1,4a,6(2H)-tricarboxylate 1g