1 HUW Huprine w 1.000 2 HUX 3-chloro-9-ethyl-6,7,8,9,10,11-hexahydro-7,11-methanocycloocta[B]quinolin-12-amine 0.955 3 E1N 12-amino-3-chloro-6,7,10,11-tetrahydro-5,9-dimethyl-7,11-methanocycloocta[B]quinolin-5-ium 0.913 4 H19 Huprine 19 0.913