Patent ID: 7393867

Claim:
A compound of formula (I) or formula (II) wherein X is S or S(O) n ; R 1 is H or C 1 -C 6 alkyl; R 2 is NR 5 R 6 ; R 3 is aryl or heterocycle; R 4 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, aryl-(C 1 -C 6 alkyl), heterocycle-(C 1 -C 6 alkyl), C 1 -C 6 alkoxy, aryl-(C 1 -C 6 alkoxy), heterocycle-(C 1 -C 6 alkoxy), CF 3 , halogen, SH, C 1-6 alkylthio, aryl-(C 1 -C 6 alkylthio), heterocycle-(C 1 -C 6 alkylthio), NO 2 , NH 2 , NR 5 R 6 , aryl-(C 1 -C 6 alkylamino), heterocycle-(C 1 -C 6 alkylamino), or XR 3 wherein X and R 3 are as defined above; R 5 is H or C 1 -C 6 alkyl; R 6 is H or C 1 -C 6 alkyl; L is N or CR 7 wherein R 7 is H or C 1 -C 6 alkyl; M is S, O or NR 8 wherein R 8 is H, C 1 -C 6 alkyl, aryl-(C 1 -C 6 alkyl), heterocycle-(C 1 -C 6 alkyl) or acyl; n is 1 or 2; or a stereoisomer, an enantiomer, a racemate or a tautomer thereof; or a pharmaceutically acceptable salt thereof.