CRYSTALLINE FUMARATE SALTS OF 1-AZABICYCLO[2.2.2]OCT SUBSTITUTED FURO[2,3-C]PYRIDINYL CARBOXAMIDE AND COMPOSITIONS AND PREPARATIONS THEREOF

摘要

The invention provides fumarate salts of N-[1-azabicyclo[2.2.2]oct-3- yl]furo[2,3-c]pyridine-5-carboxamide, compositions, racemic mixtures, or pur e enantiomers thereof, and preparation thereof. The fumarate salts are useful to treat diseases or conditions in which .alpha.7 nAChR is known to be involved . Formula (I).