(4aS,7aS,12bS)-4a,9-dihydroxy-7-methylene-4,4a,5,6,7,7a-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3(2H)-carbaldehyde
(4aS,7aS,12bS)-4a,9-dihydroxy-7-methylene-4,4a,5,6,7,7a-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3(2H)-carbaldehyde