Synonyms: (±)-Isostemonamine;Isostemonamine;rac-(8R*,8aS*)-3'-Methoxy-6,4'-dimethyl-1,8a-propano-1,2,3,4,5,7-hexahydrospiro[cyclopenta[b]azepine-8(8aH),2'(5'H)-furan]-7,5'-dione;Spiro(1H-cyclopenta(B)pyrrolo(1,2-A)azepine-11(10H),2'(5'H)-furan)-5',10-dione, 2,3,5,6,7,8-hexahydro-3'-methoxy-4',9-dimethyl-, (2'R*,11as*)-;Spiro(1H-cyclopenta(B)pyrrolo(1,2-A)azepine-11(10H),2'(5'H)-furan)-5',10-dione, 2,3,5,6,7,8-hexahydro-3'-methoxy-4',9-dimethyl-, (2'R,11as)-rel-