Patent ID: 7368448

Claim:
A compound according to structural diagram I: wherein: R 1 and R 2 are independently selected from C 1-6 alkyl or C 1-6 alkenyl, or together with the N to which they are bound, form a heterocycle containing 6, 7 or 8 atoms or such a heterocycle substituted with moieties independently selected from hydrogen, halogen, C 1-4 alkyl, C 1-4 alkoxy, and C 1-4 alkyl substituted with 1, 2 or 3 halo or amino; wherein said amino is optionally substituted with C 1-4 alkyl, C 1-4 alkoxy or C 1-4 alkyl substituted with 1, 2, or 3 halo; R 4 is hydrogen; n is 0, 1 or 2; Ar 1 is phenyl or phenyl substituted with moieties independently selected from hydrogen, halogen, —S—C 1-4 alkyl, C 1-4 alkyl, C 1-4 alkoxy and C 1-4 alkyl substituted with 1, 2 or 3 halo; and Ar 2 is naphthyl or tetralin, or naphthyl or tetralin substituted with moieties independently selected from hydrogen, halogen, cyano, nitro, C 1-4 alkoxy, and C 1-4 alkyl substituted with 1, 2 or 3 halo moieties; or an in vivo hydrolysable precursor or a pharmaceutically-acceptable salt thereof.