Patent ID: 7604815

Claim:
A compound of either formulas (I) or (II) wherein Z represents either O, NR 4 or —(CH 2 )—; X represents NO 2 , CN, COOR 2 , COR 3 , R 1 represents C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 3 -C 6 alkenyl, C 3 -C 6 haloalkenyl or C 3 -C 6 alkynyl; R 2 represents C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; R 3 represents hydrogen, C 1 -C 4 alkyl C 1 -C 4 haloalkyl; R 4 represents hydrogen or C 1 -C 4 alkyl; n is an integer from 0-3; m is an integer from 0-1; and Y represents halo, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, CN, NO 2 .