Patent ID: 8741806

Claim:
A compound of formula I wherein X is O, S, CR 7 R 8 or NR 9 , R 1 is ethyl, cyclopropyl, difluoromethoxy or trifluoromethoxy, R 2 is optionally substituted aryl or optionally substituted heteroaryl, R 3 and R 4 are independently of each other, hydrogen, C 1 -C 3 alkyl or C 1 -C 3 haloalkyl, or R 3 and R 4 together with the carbon atom to which they are attached form a three- to seven-membered carbocyclic ring, optionally substituted once or twice by C 1 -C 2 alkyl, R 5 , R 6 , R 7 and R 8 are independently of each other hydrogen, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxyC 1 -C 3 alkyl, C 1 -C 3 alkylthioC 1 -C 3 alkyl, C 1 -C 3 alkylsulfinylC 1 -C 3 alkyl, C 1 -C 3 alkylsulfonylC 1 -C 3 alkyl, C 3 -C 6 cycloalkyl in which a methylene group is optionally replaced by an oxygen or sulfur atom and wherein the ring is optionally substituted once or twice by C 1 -C 2 alkyl or C 1 -C 2 alkoxy, or R 5 and R 6 together with the carbon atom to which they are attached, or R 7 and R 8 together with the carbon atom to which they are attached form an optionally substituted three- to seven membered carbocyclic ring, in which a methylene group is optionally replaced by an oxygen or sulfur atom and wherein the ring is optionally substituted once or twice by C 1 -C 2 alkyl or C 1 -C 2 alkoxy, or R 3 and R 6 form a bond, when X is O, or S, R 9 is hydrogen, optionally substituted C 1 -C 3 alkyl or optionally substituted C 3 -C 6 cycloalkyl, and G is hydrogen or an agriculturally acceptable metal, ammonium, sulfonium or latentiating group.