Patent ID: 7671212

Claim:
A compound of the formula: or a pharmaceutically acceptable salts thereof, wherein: D and E are independently selected from the group consisting of: N and CR 50 , provided that D and E are not the same; R 50 is selected from the group consisting of: H, —C(O)R 13 , —C(O)OR 13 , —C(O)NR 13 R 14 , —S(O) 2 NR 13 R 14 , —CF 3 , —CN, —NO 2 , —NR 13 R 14 , R 13 and halo; A is selected from the group consisting of: wherein the A (2) group is substituted with at least one alkyl group; B is R 2 is OH; R 3 is —C(O)NR 13 14 ; R 4 is hydrogen; R 5 and R 6 are hydrogen; each R 7 and R 8 is independently selected from the group consisting of: H, and unsubstituted alkyl and; each R 13 and R 14 is independently selected from the group consisting of: H, and unsubstituted alkyl.