Patent ID: 7144894

Claim:
A compound of Formula I R 1 is C 1-6 alkyl, (C 3-7 cycloalkyl)C 1-6 alkyl, or C 1-6 fluoroalkyl; R 2 is hydrogen, C 1-6 alkyl, (C 3-7 cycloalkyl)C 1-6 alkyl, (phenyl)C 1-6 alkyl, (pyridinyl)C 1-6 alkyl, (C 1-6 alkoxy)C 1-6 alkyl, COR 4 , or CO 2 R 4 ; R 3 is hydrogen or C 1-6 alkyl; R 4 is C 1-6 alkyl, or C 3-7 cycloalkyl; R 5 is halogen; and R 6 is hydrogen or halogen; or a pharmaceutically acceptable salt or solvate thereof.