| abstract |
The tricyclic compounds of formula (I) are HIV integrase inhibitors and HIV replication inhibitors. Wherein bond a, ring A, R 1 , R 2 and R 3 are defined herein. This compound is useful for the prevention or treatment of HIV infection and the prevention, treatment or delay of onset of AIDS. The compounds are used against HIV infection and AIDS as compounds per se or in the form of pharmaceutically acceptable salts. This compound and its salt can be used as a component in a pharmaceutical composition, and may be used in combination with other antiviral agents, immunomodulators, antibiotics or vaccines. |