Synonyms: 1,5-Methano-8H-pyrido[1,2-a][1,5]diazocin-8-one,decahydro-4-(2-propenyl)-, (1S,4S,5S,11aR)- (9CI);1,5-Methano-8H-pyrido[1,2-a][1,5]diazocin-8-one, decahydro-4-(2-propenyl)-,[1S-(1a,4a,5a,11aa)]-; Angustifoline (6CI,7CI,8CI);(-)-Angustifoline; Jamaicensine