Patent ID: 7906532

Claim:
A compound of the formula (I): wherein: R 1 is hydrogen, halogen, or C 1 -C 6 alkyl; R 2 is C 1 -C 6 alkyl or C 3 -C 6 cycloalkyl; R 3 is hydroxy, mercapto, —C(═O)—NR 4 R 5 , —NR 6 —R 7 , C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl, or heterocyclyl; the said C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl, and heterocyclyl being unsubstituted or substituted with 1 to 2 substituents independently selected from hydroxy, mercapto, —C(═O)—NR 4 R 5 , or —NR 6 —R 7 ; R 4 and R 5 are independently hydrogen, C 1 -C 6 alkyl, or hydroxy C 1 -C 6 alkyl; or R 4 and R 5 being taken together with the nitrogen to which they are attached form a 3 to 6 membered heterocyclic ring; R 6 is hydrogen, C 1 -C 6 alkyl, or hydroxy C 1 -C 6 alkyl; R 7 is C 1 -C 6 alkyl, hydroxy C 1 -C 6 alkyl, (C 1 -C 6 alkyl)carbonyl, or (C 1 -C 6 alkyl)sulfonyl; A is C 1 -C 6 alkylene; and m is 1 or 2; or a pharmaceutically acceptable salt thereof.