Discovery of N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]furo[2,3-c]pyridine-5-carboxamide, an agonist of the alpha7 nicotinic acetylcholine receptor, for the potential treatment of cognitive deficits in schizophrenia: synthesis and structure--activity relationship. - Wishka DG; Walker DP; Yates KM; Reitz SC; Jia S; Myers JK; Olson KL; Jacobsen EJ; Wolfe ML; Groppi VE; Hanchar AJ; Thornburgh BA; et al. (Journal of medicinal chemistry, 2006)