tert-Butyl 5-oxo-octahydrocyclopenta-[c]pyrrole-2-carboxylate
tert-Butyl 5-oxo-octahydrocyclopenta-[c]pyrrole-2-carboxylate
tert-Butyl 5-oxo-octahydrocyclopenta-[c]pyrrole-2-carboxylate
tert-Butyl 5-oxo-octahydrocyclopenta-[c]pyrrole-2-carboxylate
cis-5-Oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylic acid tert-butyl ester