Patent ID: 7151107

Claim:
A compound of formula (I″) wherein R′ 1 is halogen, CF 3 , (C 1 –C 4 ) alkyl or (C 1 –C 4 ) alkoxy; R′ 2 is (C 1 –C 6 ) alkyl, (C 3 –C 7 ) cycloalkyl, (C 1 –C 6 ) alkoxy; halogen, CF 3 , hydroxy, a group selected from phenyl, phenoxy, phenylmethyl or phenylethyl, said group being optionally mono- or polysubstituted on the phenyl by halogen, CF 3 , (C 1 –C 4 ) alkyl or (C 1 –C 4 ) alkoxy; R′ 3 is hydrogen, (C 1 –C 6 ) alkyl, (C 1 –C 6 ) alkoxy, halogen, CF 3 or hydroxy; X − is Cl − , Br − , I − , CH 3 SO 3 − , C 6 H 5 SO 3 − or p-CH 3 —C 6 H 5 SO 3 − ; and Alk is (C 1 –C 4 ) alkyl.