| abstract |
The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof: Formula (I) In which R 3 is selected from the group consisting of optionally substituted N-linked naphthotriazole, optionally substituted N-linked indazole, and certain N-linked triazoles. The present invention also relates to uses of the compounds in treating a disease, disorder or condition caused by viral infection, and pharmaceutical compositions comprising the compounds. |