Patent ID: 8124609

Claim:
A method for the treatment of a viral infection caused by a retrovirus comprising administering an effective amount of a compound having the Formula I where a) R 1 is —C(O)CH(CH(CH 3 ) 2 )NH 2 or —C(O)CH(CH(CH 3 )CH 2 CH 3 )NH 2 and R 2 is —C(O)C 3 -C 21 saturated or monounsaturated substituted alkyl, optionally substituted with up to five similar or different substituents independently selected from the group consisting of hydroxy, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxy C 1 -C 6 alkyl, C 1 -C 6 alkanoyl, amino, halo, cyano, azido, oxo, mercapto and nitro; or b) R 1 is —C(O)C 3 -C 21 saturated or monounsaturated alkyl, optionally substituted with up to five similar or different substituents independently selected from the group consisting of hydroxy, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxy C 1 -C 6 alkyl, C 1 -C 6 alkanoyl, amino, halo, cyano, azido, oxo, mercapto and nitro, and R 2 is —C(O)CH(CH(CH 3 ) 2 )NH 2 or —C(O)CH(CH(CH 3 )CH 2 CH 3 )NH 2 ; or a pharmaceutically acceptable salt thereof, to a human or animal in need thereof.