abstract |
The present invention relates to novel compounds of formula (I): n n n n n n n n n n n n wherein R 1 , R 2 , R 3 , R 4 , and R 5 are as described herein, to pharmaceutical compositions comprising the compounds, to processes for their preparation, as well as to the use of the compounds for the preparation of a medicament against 5-HT 6 receptor-related disorders. |