6′,7′,10,11-Tetramethoxy-1′,2′-didehydroemetan

2H-Benzo[a]quinolizine, 2-[(3,4-dihydro-6,7-dimethoxy-1-isoquinolinyl)methyl]-3-ethyl-1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-

6′,7′,10,11-Tetramethoxy-1′,2′-didehydroemetan

6′,7′,10,11-Tetramethoxy-1′,2′-didehydroemetan

6′,7′,10,11-Tétraméthoxy-1′,2′-didéhydroémétan