| abstract |
The present invention generally relates to a compound having the 5-HT6 receptor affinity and represented by the formula: or each of its isomers, racemic or non-racemic mixtures of the isomers, or pharmaceutically acceptable salts or solvates:n n n n n n n n Wheren n n R 1 , R 2 , R 3 , R 4 and R 5 are as defined herein.n n n The present invention further relates to pharmaceutical compositions containing such compounds, methods of use thereof as therapeutic agents, and methods of preparation thereof. |