Patent ID: 7825242

Claim:
A compound having the formula: or a pharmaceutically acceptable salt thereof, wherein: W is CR 3 ; X is N; Y is selected from the group consisting of CO, CS, CR 6 R 6 ′, and C═NR 6 ; Z is selected from the group consisting of CO, CS, and C═NR 6 ; R 1 is a substituted or unsubstituted aryl; R 2 is a substituted or unsubstituted amino (C 1-6 )alkyl; R 3 is a substituted or unsubstituted amino; R 5 and R 7 are each independently a substituted or unsubstituted (C 1-10 )alkyl, or R 5 is absent when the N to which it is bound forms part of a double bond; and R 6 and R 6 ′ are each independently selected from the group consisting of hydrogen, amino, alkyl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, bicycloaryl, and heterobicycloaryl, each substituted or unsubstituted, or R 5 and R 6 are taken together with the nitrogen and/or carbon atoms to which they are attached to form a (C 3-6 )ring, with the proviso that R 6 ′ is absent when Y forms part of a double bond.