Patent ID: 6852750

Claim:
A compound of formula I or a pharmaceutically acceptable equivalent, wherein: X is —NR—(CR 3 R 4 ) m -heteroaryl or wherein X is oriented meta or para to C-1; m is 1-3; R 3 , R 4 , and R 5 are independently hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, aryl, heteroaryl, carbocycle, heterocycle, halo, hydroxy, sulfhydryl, nitro, amino or C 1 -C 6 alkoxy, wherein said alkyl, alkenyl, alkynyl, aryl, heteroaryl, carbocycle, heterocycle, or alkoxy is independently unsubstituted or substituted with one or more substituent(s); and Y is —COOH oriented meta or para relative to C-1.