Patent ID: 8063230

Claim:
A compound of the formula: wherein: R 1 , R 3 , and R 5 are each independently H, C 1 -C 20 alkyl, halo, C 1 -C 20 fluoroalkyl, C 6 -C 20 aryl, C 4 -C 20 heteroaryl, C 1 -C 20 alkoxy, C 6 -C 20 aryloxy, C 1 -C 20 thioalkoxy, C 6 -C 20 thioaryloxy, amino, carboxyl, cyano, nitro, or two adjacent R groups together can be —O—(CH 2 ) t —O—; R 2 , R 4 and R 6 are each independently H, halo, C 1 -C 6 alkyl, C 1 -C 20 fluoroalkyl, C 6 -C 20 aryl, C 4 -C 20 heteroaryl, or two adjacent R groups together can be —O—(CH 2 ) t —O—; Ar is phenyl; m, n, p, q, r, and s are each independently 0 or an integer from 1 to 3; and t is an integer from 1-6; provided that (i) at least one of m, r, and p are other than 0 and at least one of R 1 , R 3 , and R 5 is halo, C 1 -C 20 fluoroalkyl, or two adjacent R groups together can be —O—(CH 2 ) t —O— or (ii) at least one of n, q, and is other than 0 and at least one of R 2 , R 4 and R 6 is halo, C 1 -C 20 fluoroalkyl, or two adjacent R groups together can be —O—(CH 2 ) t —O.