Synonyms: 6H,12H-5,11-Methanodibenzo[b,f][1,5]diazocine,2,8-dimethyl-, (5R)-; 6H,12H-5,11-Methanodibenzo[b,f][1,5]diazocine,2,8-dimethyl-, (5R,11R)-(-)- (8CI); (-)-Troeger's base; (-)-Troger's base;(5R,11R)-(-)-2,8-Dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine;Troeger's base