abstract |
The invention provides a compound of formula: n n n n n n n n n n or a salt thereof, wherein the variables R AA , n, ring A, ring B, R 1a , R 1b , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , and R 9 have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions. |