| abstract |
The present invention relates to a fused tricyclic heterocyclic derivative of the formula (I):nAnd pharmaceutically acceptable salts thereof, wherein R1 to R8, A, X and n are as defined herein. The invention also relates to compositions comprising at least one fused tricyclic heterocyclic derivative, and methods of using the fused tricyclic heterocyclic derivatives to treat or prevent HIV infection in an individual. |