Patent ID: 7144903

Claim:
A compound having the formula (I): or a pharmaceutically acceptable salt or prodrug thereof, wherein W is substituted indolyl; X is S; Y is N(R 5 ); Z is N; R 1 is unsubstituted (C 1 –C 8 )alkyl or (C 1 –C 8 )alkyl substituted with NR′R″ in which R′ and R″ are independently selected from the group consisting of aryl (C 1 –C 4 )alkyl and unsubstituted (C 1 –C 8 )alkyl, and wherein, optionally, R′ and R″ are combined with the nitrogen atom to which they are attached to form a 5-, 6- or 7-membered ring; R 2 is H or (C 1 –C 8 )alkyl; and optionally, R 1 and R 2 combine to form a 5- to 8-membered ring; and R 5 is selected from the group consisting of H, (C 1 –C 8 )alkyl, heteroatkyl, aryl and heteroaryl.