Patent ID: 8394788

Claim:
A composition comprising a physiologically acceptable excipient and a compound having the following structure (I): or a pharmaceutically acceptable salt, prodrug or stereoisomer thereof, wherein X is NR 8 , O, or S; R 1 is —S(CH 2 ) n C(═O)NHR 10 wherein n is 1 to 6 and R 10 is hydrogen, straight-chain C 1-6 alkyl, arylalkyl, or heterocycloalkyl; R 2 is hydrogen, hydroxyl, halogen, alkyl, aryl, arylalkyl, arylalkylamino, heterocycle or heterocycloalkyl; R 3 , R 4 , R 5 , R 6 and R 7 are each the same or different and independently hydrogen, halogen or alkyl; and R 8 is hydrogen or alkyl.