Patent ID: 8569466

Claim:
A compound of one of the formulas: wherein: R is selected from the group consisting of —OH, —HNCH 2 CH 2 SO 3 H, —HNCH 2 CH 2 SO 2 N 3 , —HNCH 2 CH 2 SO 2 NHR 6 , —HNCH 2 CO 2 H and —HNCH(CO 2 H)CH 2 COOH; Z is selected from the group consisting of H, C 1-6 alkyl (including cycloalkyl), alkenyl, heterocyclyl, aryl, heteroaryl, F, Cl, Br, I, —OR′, —NR′R″, —CF 3 , —CN, —NO 2 , —C 2 R′, —SR', —N 3 , —C(═O)NR′R″, —NR′C(═O)R″, —C(═O)R′, —C(═O)OR′, —OC(═O)R′, —OC(═O)NR′R″, —NR′C(═O)O R″, —SO 2 R′, —SO 2 NR′R″, and —NR′SO 2 R″, R′ and R″ are individually hydrogen, C 1-6 alkyl, cycloalkyl, heterocyclyl, aryl, or arylalkyl; J is selected from the group consisting of —SO 3 H, SO 2 N 3 , SO 2 NHR 6 , and CO 2 H; and R 6 is H or C 1-8 alkyl, and pharmaceutically acceptable salts and esters thereof.