Synonyms: (-)-Akagerine;(3aS,αE)-α-Ethylidene-1,2,3,3a,4,5,6,7-octahydro-7α-hydroxy-3-methyl-3,7a-diazacyclohepta[jk]fluorene-5β-acetaldehyde;(αE)-α-Ethylidene-1,2,3,3aα,4,5,6,7-octahydro-7α-hydroxy-3-methyl-3,7a-diazacyclohepta[jk]fluorene-5β-acetaldehyde;Akagerine