Patent ID: 8436000

Claim:
A compound of Formula I where: R 1 is hydrogen, halo, cyano, or alkyl; R 2 is alkyl or haloalkyl; or R 2 is phenyl, pyridinyl, pyrimidinyl, pyridazinyl, or triazinyl, and is substituted with 0-3 substituents independently selected from the group consisting of halo, cyano, alkyl, alkoxy, haloalkyl, and haloalkoxy; R 3 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, haloalkyl, alkoxyalkyl, or (haloalkoxy)alkyl; R 4 is phenyl, pyridinyl, pyrimidinyl, pyridazinyl, or triazinyl and is substituted with 0-3 substituents independently selected from the group consisting of halo, alkyl, alkoxy, haloalkyl, and haloalkoxy; and the carbon bearing the asterisk is of the (R) or (S) configuration; or a pharmaceutically acceptable salt thereof.