Patent ID: 8148534

Claim:
A compound structurally represented by the formula: or a pharmaceutically acceptable salt thereof, wherein R 1 is —H or -halogen; R 2 is —H or -halogen; R 3 is —H or -halogen; R 4 is —H or -halogen; R 5 is ; wherein the dashed line represents the point of attachment to the R 5 position; wherein n is 1; R 9 is —H, —OH, -halogen, —CH 3 (optionally substituted with 1 to 3 halogens), or —O—CH 3 (optionally substituted with 1 to 3 halogens); R 10 is independently at each occurrence —H, or -halogen; R 22 is independently at each occurrence —H, or —(C 1 -C 6 )alkyl(optionally substituted with 1 to 3 halogens).