| abstract |
The present invention relates to the compounds of formula (I), pharmaceutically acceptable salts and precursors thereof, and their therapeutic uses, in particular for the treatment of central nervous system disorders, central nervous system damage, cardiovascular diseases, gastrointestinal disorders, urinary tract and sleep apnea, In particular it relates to the use in the treatment of obesity:n n n Formula In n n n n n n n Wheren n n X 1 , X 2 , X 3 , X 4 , n, R 1 , R 2 and R 3 are as defined herein. |