Azabicyclo CompoundsOctanesBicyclo Compounds, HeterocyclicQuinuclidinesTropanesBicyclo CompoundsHydrocarbons, CyclicHexanesHeterocyclic Compounds, 2-RingCyclooctanesOctanolsAza Compoundsalpha7 Nicotinic Acetylcholine ReceptorTrypanosoma brucei rhodesienseStereoisomerismReceptors, NicotinicNicotinic AgonistsMolecular StructureMolecular ConformationPyridines