Patent ID: 7498356

Claim:
A compound of the formula or a pharmaceutically acceptable salt thereof, wherein R 1 is H, C 1 -C 6 alkyl, or phenyl (C 1 -C 6 )alkyl; R 6 is hydrogen or C 1 -C 6 alkyl; R 7 is (C 2 -C 6 ) alkanoyl, (C 1 -C 6 ) alkoxycarbonyl, —C(O)NH 2 , —C(O)NH(C 1 -C 6 )alkyl, or —C(O)N(C 1 -C 6 )alkyl(C 1 -C 6 )alkyl; R 20 , R 21 , R 22 , and R 23 are independently selected from H, arylalkoxy, arylalkyl, halogen, alkyl, OH, alkoxy, NO 2 , NH 2 , NH (C 1 -C 6 )alkyl, N(C 1 -C 6 )alkyl (C 1 -C 6 )alkyl, NH-aryl, N(C 1 -C 4 )alkyl-aryl, —NHSO 2 -aryl, —N(C 1 -C 4 alkyl)SO 2 aryl, wherein the aryl group is optionally substituted with 1, 2, 3, or 4 groups that are independently C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogen, OH, NO 2 , C 1 -C 4 haloalkyl, C 1 -C 4 haloalkoxy; L 4 is —(C 1 -C 6 )alkyl-, —O—C 1 -C 6 alkyl-, or C 1 -C 6 alkyl-O—; the A-ring is phenyl optionally substituted with 1, 2, 3, or 4 groups that are independently, halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl, C 1 -C 4 haloalkoxy, NO 2 , NH 2 , NH(C 1 -C 6 )alkyl, or N(C 1 -C 6 )alkyl (C 1 -C 6 )alkyl; and Q is -heteroaryl-(C 1 -C 4 )alkyl-aryl, heteroaryl, heterocycloalkyl, each of which is optionally substituted with 1, 2, 3, 4, or 5 groups that are independently alkoxycarbonyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halogen, C 1 -C 6 alkanoyl, C 1 -C 4 haloalkyl, C 1 -C 4 haloalkoxy, NH 2 , NH(C 1 -C 6 )alkyl, N(C 1 -C 6 )alkyl(C 1 -C 6 )alkyl, phenyl, C 1 -C 6 alkanoyl.