| abstract |
Various embodiments of the present invention are directed to compounds of the formula (I) or a pharmaceutically acceptable salt, polymorph, prodrug, solvate or clathrate thereof, wherein X 1 , X 2 , X 3 , R 1 , R 2 , R 11 , and n are defined herein. These compounds are useful as inhibitors of HIV-1 protease and, as a result, are useful in the treatment of HIV infection. |