| abstract |
The present invention is directed to compounds of formula (I): n nwherein R 1 , R 2 and R 3 are independently selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, aryl and heteroaryl and X 1 and X 2 are independently a bond or an linker group of 1 to 6 atoms and may be optional substituted or oxidized, or a prodrug, a pharmaceutically acceptable salt or a pharmaceutically active metabolite thereof. The invention is also directed to methods of using the same for treating HIV infections, or AIDs or preventing viral replication. |