| abstract |
This invention is directed to pyridopyrimidinone compounds of formula (I): n n n n n n n n n n wherein n, R 1 , R 2 and R 3 are as defined herein, as a stereoisomer, enantiomer, tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain. |