| abstract |
The present invention provides a compound of formula (I): or a pharmaceutically acceptable salt thereof, R 3 consists of an optionally substituted N-linked naphthotriazole, an optionally substituted N-linked indazole, and certain N-linked triazoles Selected from the group. The invention also relates to the use of the compounds and pharmaceutical compositions containing the compounds in the treatment of diseases, disorders or conditions caused by viral infections. |