Herbicidal compounds

A compound of Formula (I)

• wherein
• R1 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 R9 substituents;
• R2 is selected from the group consisting of methyl, ethyl, methoxy and chloro;
• R3 is selected from the group consisting of methyl, ethyl, methoxy and chloro;
• R4 is —S(O)2NR5R6 or —S(O)(═NR7)R8;
• R5 is hydrogen or C1-C6alkyl;
• and
• R6 is selected from the group consisting of hydrogen, C1-C6alkyl, C3-C6cycloalkyl, C1-C6 alkoxy-C1-C3alkyl-, —C(O)C1-C6alkyl, —C(O)OC1-C6alkyl and CH2CN;
• or
• R5 and R6 together form —CH2CH2OCH2CH2—, —CH2CH2S(O)2CH2CH2—;
• and
• R7 is hydrogen or C1-C6alkyl;
• R8 is selected from the group consisting of hydrogen, C1-C6 alkyl, C1-C6 alkoxy, C3-C6cycloalkyl, phenyl, -pyridyl, wherein the phenyl and pyridyl are optionally substituted by one, two or three substituents independently selected from the group consisting of C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy, C2-C3alkenyl, C2-C3alkynyl, halogen, cyano and nitro;
• R9 is independently selected from the group consisting of C1-C4 alkyl, C1-C4 haloalkyl, cyano and halogen;
• G is selected from the group consisting of hydrogen, —(CH2)n—Ra, —C(O)—Ra, —C(O)—(CRcRd)n—O—Rb, —C(O)—(CRcRd)n—S—Rb, —C(O)NRaRa, —S(O)2—Ra and C1-C8alkoxy-C1-C3alkyl-;
• Ra is independently selected from the group consisting of hydrogen, C1-C8alkyl, C1-C3haloalkyl, C2-C8alkenyl, C2-C8alkynyl, C3-C6cycloalkyl, 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 C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy, C2-C3alkenyl, C2-C3alkynyl, halogen, cyano and nitro;
• Rb is selected from the group consisting of C1-C8alkyl, C1-C3haloalkyl, C2-C8alkenyl, C2-C8alkynyl, C3-C6 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 C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy, C2-C3alkenyl, C2-C3alkynyl, halogen, cyano and nitro;
• Rc is hydrogen or C1-C3 alkyl;
• Rd is hydrogen or C1-C3 alkyl;
• and
• n is independently 0, 1 or 2;
• or an agriculturally acceptable salt thereof.