The present invention provides compositions for treating an HIV infection comprising administering a compound according to formula I where Ar, R
1
-R
5
, R
11c
and X
1
are as defined herein with at least one carrier, excipient or diluent.
The present invention provides compounds for treating or preventing an HIV infection, or treating AIDS or ARC comprising administering a compound according to formula I where Ar, R
1
-R
5
, R
7a
, R
7b
, R
7c
, R
8
-R
10
, X
1
, X
2
m, n, o and p are as defined herein.