Patent ID: 6979696

Claim:
A compound of the formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: m is from 0 to 4; X is carbon or nitrogen; Y is a radical of formula i, ii or iii; each R 1 independently is halogen, haloalkyl, alkyl, hydroxy, alkoxy, cyano, nitro, —S(O) n R a , —NR a R b , —NR a SO 2 R b , —SO 2 NR a R b , optionally substituted phenyl, optionally substituted benzyl or optionally substituted benzyloxy, where n is from 0 to 2 and R a and R b in each independent occurrence are hydrogen or alkyl; A is —SO 2 — or —(C═O)—; R 2 is alkyl or —(CH 2 ) p —NR c R d where p is from 0 to 3 and R c and R d each independently is hydrogen or alkyl; and R 3 , R 4 , R 5 and R 6 each independently are hydrogen or alkyl.