abstract |
The invention provides compounds of the formula: n nand pharmaceutically acceptable salts or prodrugs thereof, wherein, n, X, Y, R 1 , R 2 , R 3 , R 4 and R 5 are as defined herein. The subject compounds are useful for treatment of 5-HT6 receptor antagonist-mediated diseases. Also provides are methods for preparing, compositions comprising, and methods for using the subject compounds. |