Patent ID: 6852888

Claim:
A compound of formula wherein R 1 is halo-C 1 -C 6 alkyl; halo-C 2 -C 6 alkenyl; or halo-C 3 -C 6 alkynyl; R 2 is halogen, nitro, cyano, C 1 -C 10 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 8 cycloalkyl, C 1 -C 6 alkoxy, C 3 -C 6 alkenyloxy, halo-C 1 -C 10 alkyl, halo-C 2 -C 6 alkenyl, halo-C 1 -C 6 alkoxy, C 3 -C 6 alkynyloxy, C 1 -C 4 alkylthio, di(C 1 -C 4 -alkyl)amine in which the two alkyl groups are independent of one another; aryl, aryloxy, arylthio, or substituted aryl, aryloxy or arylthio; R 3 is hydrogen or unsubstituted or substituted C 1 -C 10 alkyl; or benzyl in which the phenyl ring is unsubstituted or monosubstituted by a substituent selected from the group consisting of nitro, halogen, —CF 3 , —CN and C 1 -C 4 alkyl; m is 3, 5, 7 or 9; n is 0, 1, 2, 3 or 4; and X is hydrogen; in free form or in salt form.