| abstract |
Compounds of formula (I), where R1 and R2 are in-dependently hydrogen or optionally-substituted C1-4alkyl or aryl, and R1 also forms a heterocycle or heterocycle-C1-4alkyl, are HIV protease inhibitors. These compounds are useful in the prevention or treatment of infection by HIV and in the treatment of AIDS, either as compounds, phar-maceutically acceptable salts. pharmaceutical composition ingredients, whether or not in combination with other an-tivirals, immunomodulators, antibiotics or vaccines. Meth-ods of treating AIDS and methods of preventing or treating infection by HIV are also described. |