A compound of Formula wherein R 1 is selected from the group consisting of methyl, ethynyl, 1-propynyl, phenyl and a 5 or 6 membered heteroaryl which comprises one or two nitrogen heteroatoms, said phenyl and heteroaryl optionally substituted by one or two R 8 substituents; R 2 is selected from the group consisting of methyl, ethyl, methoxy and chloro; R 3 is selected from the group consisting of methyl, ethyl, methoxy and chloro; R 4 is -C C R 5; R 5 is selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy-, C 1 -C 6 haloalkoxy, -NR 6 R 7, phenyl and -pyridyl, wherein the phenyl and pyridyl are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R 6 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxyC 1 -C 3 alkyl-, C 3 -C 6 cycloalkyl, C 1 -C 6 haloalkyl- and C 1 -C 6 haloalkoxy-, -C C 1 -C 6 alkyl, phenyl, -pyridyl, wherein the phenyl and pyridyl are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R 7 is hydrogen or C 1 -C 6 alkyl; or R 6 and R 7 together form -CH 2 CH 2 OCH 2 CH 2 -; and R 8 is independently selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, cyano and halogen; G is selected from the group consisting of hydrogen, -(CH 2) n -R a, -C -R a, - C -(CR c R d) n -O-R b, -C -(CR c R d) n -S-R b, -C NR a R a, -S 2 -R a and C 1 -C 8 alkoxy-C 1 -C 3 alkyl-; R a is independently selected from the group consisting of hydrogen, C 1 -C 8 alkyl, C 1 -C 3 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 6 cycloalkyl, heterocyclyl and phenyl wherein said heterocyclyl and phenyl groups are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R b is selected from the group consisting of C 1 -C 8 alkyl, C 1 -C 3 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 6 cycloalkyl, heterocyclyl and phenyl wherein said heterocyclyl and phenyl groups are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R c is hydrogen or C 1 -C 3 alkyl; R d is hydrogen or C 1 -C 3 alkyl; and n is independently 0, 1 or 2; or an agriculturally acceptable salt thereof. R 1 is selected from the group consisting of methyl, ethynyl, 1-propynyl, phenyl and a 5 or 6 membered heteroaryl which comprises one or two nitrogen heteroatoms, said phenyl and heteroaryl optionally substituted by one or two R 8 substituents; R 2 is selected from the group consisting of methyl, ethyl, methoxy and chloro; R 3 is selected from the group consisting of methyl, ethyl, methoxy and chloro; R 4 is -C C R 5; R 5 is selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy-, C 1 -C 6 haloalkoxy, -NR 6 R 7, phenyl and -pyridyl, wherein the phenyl and pyridyl are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R 6 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxyC 1 -C 3 alkyl-, C 3 -C 6 cycloalkyl, C 1 -C 6 haloalkyl- and C 1 -C 6 haloalkoxy-, -C C 1 -C 6 alkyl, phenyl, -pyridyl, wherein the phenyl and pyridyl are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R 7 is hydrogen or C 1 -C 6 alkyl; or R 6 and R 7 together form -CH 2 CH 2 OCH 2 CH 2 -; and R 8 is independently selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, cyano and halogen; G is selected from the group consisting of hydrogen, -(CH 2) n -R a, -C -R a, - C -(CR c R d) n -O-R b, -C -(CR c R d) n -S-R b, -C NR a R a, -S 2 -R a and C 1 -C 8 alkoxy-C 1 -C 3 alkyl-; R a is independently selected from the group consisting of hydrogen, C 1 -C 8 alkyl, C 1 -C 3 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 6 cycloalkyl, heterocyclyl and phenyl wherein said heterocyclyl and phenyl groups are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R b is selected from the group consisting of C 1 -C 8 alkyl, C 1 -C 3 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 3 -C 6 cycloalkyl, heterocyclyl and phenyl wherein said heterocyclyl and phenyl groups are optionally substituted by one, two or three substituents independently selected from the group consisting of C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halogen, cyano and nitro; R c is hydrogen or C 1 -C 3 alkyl; R d is hydrogen or C 1 -C 3 alkyl; and n is independently 0, 1 or 2; or an agriculturally acceptable salt thereof.