Patent ID: 7683091

Claim:
A compound having Formula 2 or a pharmaceutically acceptable salt or ester form thereof, wherein R 7 is hydrogen, CO 2 H, or CONHNH 2 ; p is from 0 to 4; R 8 is hydrogen, —C 1-6 alkoxy(CO 2 H), C(═O)NR 10 R 11 or C(═O)amino acid; R 10 and R 11 are joined together with the nitrogen to which they are attached to form a 3 to 9 membered saturated ring comprising 2 to 8 carbon ring atoms; with the proviso that when R 8 is hydrogen, R 7 is CO 2 H or CONHNH 2 ; R 9 is NR 12 SO 2 R 13 ; R 12 is H, C 1-6 alkyl, C 1-6 perfluoroalkyl, benzyl, phenyl, or heterocyclyl unsubstituted or substituted with OCF 3 , halogen, C 1-6 alkyl, C 1-6 perfluoroalkyl, benzyl, phenyl, or heterocyclyl; and R 13 is C 1-6 alkyl, C 1-6 perfluoroalkyl, benzyl, phenyl, or heterocyclyl unsubstituted or substituted with OCF 3 , halogen, C 1-6 alkyl, C 1-6 perfluoroalkyl, benzyl, phenyl, or heterocyclyl.