Patent ID: 7622504

Claim:
An ester of a phenylalkanenitrile having the formula: wherein R 1 is hydrogen, C 1 -C 5 alkyl, C 1 -C 5 alkoxyalkyl, or C 1 -C 5 alkoxycarbonyl, R 2 is hydrogen, C 1 -C 5 alkyl, phenyl or CH 2 -phenyl, and Y 1 , Y 2 , Y 3 , Y 4 and Y 5 are individually or collectively hydrogen, halogen, methyl, —CHF 2 , —CF 3 , —OCHF 2 , —OCF 3 , C 1 -C 5 alkoxy, phenoxy, or —SF 5 , with the proviso that at least two of Y 1 , Y 2 , Y 3 , Y 4 and Y 5 must be hydrogen.