Patent ID: 8377930

Claim:
A compound having the following structure (II): or a pharmaceutically acceptable salt, stereoisomer, solvate or prodrug thereof, wherein: R 1 is C 1-6 alkyl, C 1-6 haloalkyl, —(CH 2 ) n O(CH 2 ) m CH 3 or —(CH 2 ) n N(CH 3 ) 2 ; R 2 is substituted or unsubstituted heterocyclyl, substituted phenyl, or substituted or unsubstituted naphthyl; R 3 is substituted or unsubstituted heterocyclyl, or substituted or unsubstituted aryl; and R 4 and R 5 are the same or different and independently hydrogen, C 1-6 alkyl or C 1-6 haloalkyl; n is 1, 2, 3, 4, 5 or 6; and m is 0, 1, 2, 3, 4, 5 or 6.