(3ar,6ar)-1H,4H-3a,6a-propanopentalene-2,5(3H,6H)-dione

(3aR,6aS)-octahydrocyclopenta[c]pyrrole-5-carbonitrile (3aR,5s,6aS)-5-amino-N,N,5-trimethylhexahydrocyclopenta[c]pyrrole-2(1H)-carboxamide hydrochloride (3aR,5r,6aS)-octahydrocyclopenta[c]pyrrol-5-ol hydrochloride (3aR,6aS)-rel-hexahydro-1H-Furo[3,4-c]pyrrole (Relative struc) (3aR,6aS)-benzyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate

(3aR,5s,6aS)-5-amino-N,N,5-trimethylhexahydrocyclopenta[c]pyrrole-2(1H)-carboxamide (3aR,6as)-tert-butyl 5-methylenehexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate (3aR,5s,6aS)-N,2-dimethyloctahydrocyclopenta[c]pyrrol-5-amine (3aR,5r,6aS)-2-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrole-5-carboxylic acid 5-Deoxy-1,2-O-(1-methylethylidene)-alpha-D-xylo-hexofuranuronic acid gamma-lactone