abstract |
The present invention provides for compounds useful for treating an HIV infection, or preventing an HIV infection, or treating AIDS or ARC. The compounds of the invention are of formula I wherein A is A1, A2, A3 or A4 and R, R, R, R, R, R, R, Ar, X, X, X, X and X are as herein defined. Also disclosed in the present invention are methods of treating an HIV infection with compounds defined herein and pharmaceutical compositions containing said compounds. |