Patent ID: 7683087

Claim:
A compound of formula wherein: Ar is R 1 is selected from the group consisting of Cl, Br, I, CH 3 , CF 3 , CHF 2 , and CH 2 F; X is O or NH; R 2 is H, a pharmaceutically acceptable cation or C 1-3 alkyl, when X is O; or XR 2 is NHCH 2 CH 2 COOR 13 or NHCH(R 12 )COOR 13 where R 12 is C 1-4 alkyl or aryl-C 1-4 alkyl and R 13 a pharmaceutically acceptable cation or C 1-3 alkyl; R 3 is H or CH 3 ; R 0 is selected from the group consisting of Cl, Br, CF 3 and methyl; R P is selected from the group consisting of methyl, ethyl, propyl, isopropyl, cyclopropylmethyl, and C 3-6 cycloalkyl; R 6 is H, F, Cl, Br, CH 3 , CF 3 , CFH 2 , CF 2 H, ethyl, isopropyl, cyclopropyl, OCH 3 , OH, OCF 3 , NH 2 or NHCH 3 ; and R 7 is selected from the group consisting of Cl, Br, I, CH 3 , CF 3 ; OCH 3 , isopropyl, cyclopropyl, tert-butyl, cyclobutyl, and methyl.