Patent ID: 8609638

Claim:
A compound of Formula III: wherein R 1 is H; CF 3 ; N(R x ) 2 where each R x is independently H, (C 1 -C 4 )alkyl; (C 1 -C 4 )alkanoyl; or (C 1 -C 4 )alkyl substituted by hydroxy, halo, amino, or nitro; or R 1 is absent when X is N; X is C or N; n is 0, 1, or 2; L 1 is O, S, NR 2 , or C(R 3 )(R 4 ); L 2 is O, S, NR 2 , or C(R 3 )(R 4 ); each R 2 is independently H or (C 1 -C 4 )alkyl; each R 3 is independently H, halo, or (C 1 -C 4 )alkyl; and each R 4 is independently H, halo, or (C 1 -C 4 )alkyl; or a salt or solvate thereof.