Patent ID: 6924310

Claim:
A compound of formula A an isomer thereof, a prodrug of said compound or isomer, or a pharmaceutically acceptable salt of said compound, isomer or prodrug; wherein R 1 and R 2 are each independently —CH 3 or —Cl; R 4 is —SO 2 —NH-cyclopropyl, —SO 2 —NH-cyclobutyl, —SO 2 —NH-cyclopentyl, —SO 2 —NH-cyclohexyl, —SO 2 —NH—(C 1 -C 8 )alkyl or —SO 2 —NH-phenyl optionally substituted with fluoro; R 8 and R 9 are each independently hydrogen or methyl; and R 10 is —C(O)OH, —C(O)OCH 3 or —C(O)OCH 2 CH 3 .