Patent ID: 8367690

Claim:
A compound of Formula (I): wherein: R 1 is H, —NHCOOR 1a , C 5-6 cycloalkyl, or phenyl, where the cycloalkyl and phenyl each independently may be substituted with one to three of the same or different substituents selected from R 10 ); R 1a is C 1-3 alkyl which may be substituted with one to three of the same or different substituents selected from F and Cl; R 2 is H, —COOH, —CH 2 COOH, —COOR 2a , or —CH 2 COOR 2a ; R 2a is C 1-2 alkyl, where the alkyl may be substituted with one to three of the same or different substituents selected from halogen atoms; R 3 is H, C 1-6 alkyl, where the alkyl may be substituted with one to three of the same or different substituents selected from R 11 ; R 10 is F, Cl, CF 3 , or C 1-2 alkyl; R 11 is halogen atom, hydroxy, or cyano; W is selected from: W 2a is H, halogen atom, cyano, or C 3-5 cycloalkyl, or a pharmaceutically acceptable salt thereof.