| abstract |
The present invention provides compounds of formula (I): and pharmaceutically acceptable salts thereof, wherein R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, m and n are defined as described herein. The invention also provides methods of making the compounds of formula (I), and methods of treating inflammatory diseases, such as rheumatoid arthritis, in a mammal comprising administering a therapeutically effective amount of a compound of formula (I) to the mammal. |