Patent ID: 7825116

Claim:
A compound according to formula: or a pharmaceutically acceptable salt thereof, wherein: X is halo; R is selected from the group consisting of hydrogen, (C 1 -C 3 )alkyl, arylalkyl, —CH 2 C(O)OMe, —CH 2 C(O)NH(C 1 -C 3 )alkyl, —CH 2 CH 2 OH, perhaloalkyl, and (C 3 -C 8 )cycloalkyl optionally substituted with —NH 2 , —NHEt, or —NHBoc; R 1 is selected from the group consisting of hydrogen, (C 1 -C 3 )alkyl, and halo; R 2 is selected from the group consisting of: phenyl substituted with one or three of the same or different R 8 groups wherein each R 8 is independently selected from the group consisting of halo, —(C 1 -C 3 )alkyl, —O(C 1 -C 3 )alkyl, —O(arylalkyl), —OCH 2 C(O)NH—(C 3 -C 8 )cycloalkyl, (C 1 -C 3 )perhaloalkyl, (C 1 -C 3 )perhaloalkoxy, —OCH 2 C(O)NHCH 2 CH 2 NH 2 , —C(O)NH 2 , —CH 2 NH 2 , —CH 2 NHBoc, and a heteroaryl selected from the group consisting of