N-[(8R)-1-azabicyclo[2.2.2]octan-8-yl]furo[3,2-d]pyridine-5-carboxamide
N-[(3R)-quinuclidin-3-yl]furo[3,2-d]pyridine-5-carboxamide
N-[(3R)-3-quinuclidinyl]-5-furo[3,2-d]pyridinecarboxamide