Patent ID: 7176224

Claim:
A compound represented by the following structural formula: and pharmaceutically acceptable salts thereof, wherein: n is 2, 3, or 4; R 1 is H, a C1–C4 alkyl, phenyl or C1–C4 haloalkyl; R 2 are each, independently, H, a C1–C6 alkyl, a C1–C4 alkoxy, an aryl-C1–C6 alkyl, a cycloalkyl-C1–C4 alkyl, an aryl, a cycloalkyl, or together with the phenyl to which they are bound form naphthyl or 1,2,3,4-tetrahydronaphthyl; R 3 are each, independently, H, a C1–C6 alkyl, a C1–C4 alkoxy, an aryl-C1–C6 alkyl, a cycloalkyl-C1–C4 alkyl, an aryl, or a cycloalkyl; R 4 is a C1–C4 alkyl; R 5 are each, independently, H, a substituted or unsubstituted aryl or a substituted or unsubstituted heteroaryl, provided that at least one or R 5 is a substituted or unsubstituted aryl or a substituted or unsubstituted heteroaryl; R 6 is H, a C1–C4 alkyl, or an aminoalkyl; R 7 are each, independently, H, a C1–C4 alkyl, a C1–C4 alkoxy, a halo, a C1-C4 haloalkyl, a C1–C4 haloalkoxy, or a cycloalkyl; and R 8 are each, independently, H, a C1–C4 alkyl, a C1–C4 alkoxy, a halo, a C1-C4 haloalkyl, a C1–C4 haloalkoxy, a cycloalkyl, or each R 8 taken together with the phenyl to which they are attach is benzodioxolyl.