Isolated metabolites of (1 R-trans)-N-[[2-(2,3-dihydro-4-benzofuranyl)cyclopropyl]- methyl]propanamide, methods for their use, and compositions containing the metabolites.Metabolitos aislados de (1R-trans) -N - [[2- (2,3-dihidro-4-benzof uranilo) ciclopropilo] metilo] propanamida, métodos para su uso, y composiciones que contienen los metabolitos.