Patent ID: 7947704

Claim:
A compound of formula (I) in which W represents methoxy, ethoxy, n-propoxy, methoxyethoxy or cyclopropylmethoxy, X represents chlorine, Y represents methyl, CKE represents the group A represents methyl, ethyl, isopropyl, isobutyl or cyclopropyl, B represents hydrogen, methyl or ethyl, or A, B and the carbon atom to which they are attached represent saturated C 5 -C 6 -cycloalkyl in which optionally one ring atom is replaced by oxygen and which is optionally monosubstituted by methyl or methoxy, D represents hydrogen, methyl or ethyl, G represents hydrogen (a) or represents one of the groups E represents an ammonium ion, R 1 represents C 1 -C 6 -alkyl, C 1 -C 2 -alkoxy-C 1 -alkyl, C 3 -C 6 -cycloalkyl, C 1 -C 4 -alkyl which is monosubstituted by chlorine or represents phenyl which is optionally monosubstituted by chlorine, R 2 represents C 1 -C 8 -alkyl, C 3 -C 6 -alkenyl or benzyl, R 3 represents C 1 -C 6 -alkyl.