Claim 1: a compound of formula (1) or a Salt or n-oxide thereof, wherein, r u00b9 is selected from the group consisting c u2081 u208b u2084 c u2081 u208b u2082 alkyl, alkoxy alkyl c u2081 u208b u2082, alquenilo c u2082 u208b u2084, haloalquilo c u2081 u208b u2084, haloalquenilo c u2081 u208b u2084, alquinilo c u2082 u208b u2084 and haloalquinil Or c u2082 u208b u2084； R u00b2 is selected from the group consisting of hydrogen, halogen, alkyl, cyano, c u2081 u208b u2086, haloalquilo c u2081 u208b u2086, haloalcoxi c u2081 u208b u2086,Haloalcoxi c u2081 u208b u2083 c u2081 u208b u2083 alkoxy alkyl, alkoxy c u2081 u208b u2086 c u2081 u208b u2083 c u2081 u208b u2083 alkoxy alkyl, alkoxy c u2081 u208b u2083 - c u2081 u208b u2083 c u2081 u208b u2083 - alkyl, cycloalkyl c u2083 u208b u2086, alquenilo c u2082 u208b u2086, haloalquenilo c u2082 u208b u2086, alquinilo c u2082 u208b u2086, hidroxialquilo c u2081 u208b u2086, alkyl c u2081 u208b u2086carbo Nile - S (o) u209a c u2081 u208b u2086 alkyl, amino, c u2081 u208b u2086amino alkyl, dialkyl c u2081 u208b u2086amino,- C = N - (alkyl c u2081 u208b u2083) or alkyl c u2081 u208b u2083 and haloalquinilo c u2082 u208b u2086； each r u00b3 is selected independently from the group consisting of hydrogen, halogen, Nitro, cyano, amino, c u2081 u208b u2086 haloalquilo c u2081 u208b u2086 cycloalkyl alkyl, alkoxy, c u2083 u208b u2086, c u2081 u208b u2086, alkoxy c u2081 u208b u2086carbonilo And - S (o) u209a alkyl c u2081 u208b u2086； r u2074 is selected from the group consisting alquenilo c u2082 u208b u2086, alquinilo c u2082 u208b u2086 haloalquenilo c u2082 u208b u2086, haloalquinilo c u2082 u208b u2086,C u2081 u208b u2083 c u2081 u208b u2083 alkoxy alkyl, alkyl c u2081 u208b u2083 - S - (r u00b9 u2070), c u2081 u208b u2086sulfonilo - S - (alkyl, phenyl optionally substituted r u00b9 u2070), optionally substituted heteroaryl and cianoalquilo c u2081 u208b u2086； r u2075 is selected from the group consisting of hydrogen, halogen,
