摘要:
The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, 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.