Patent ID: 8507490

Claim:
A compound of the following formula: or a pharmaceutically acceptable salt thereof, wherein: X is C—R 1 or N; R 1 is hydrogen, fluoro or cyano; R 2 is piperidinyl, or gem di-F-substituted cyclohexyl; R 3 is methyl or trifluoromethyl; R 4 is pyrrolidinyl, morpholinyl, pyridyl, amino or dimethylamino; R 5 is trifluoromethyl or methylsulfonyl; R 6 is hydrogen or methyl; and R 7 , R 8 , R 9 , R 10 and R 11 are independently hydrogen fluoro, cyano, chloro, methyl, trifluoromethyl, trifluoromethoxy or methylsulfonyl, provided that at least two of R 7 , R 8 , R 9 , R 10 and R 11 are hydrogen.