It also describes ingredients containing (1) formulation compounds and methods of controlling unwanted vegetation； these include linking unwanted vegetation or its environment to an effective amount of a compound or existing ingredient. Claim 1: a compound (1) selected from the formula,N-oxide and its salts, wherein R1 is halogen, cyanogen, alcox c83318324；hello Coxi C₁₋₄,C₂₋₄ alkoxyalkyl,1. Lease of c83218331 and 83242431；C₁₋₄ haloalkyl,C₂₋₄ alkenyl,1. C 83228331 asphalt；C₃₋₄ alkenyloxy,1. Asphalt c83223；C₂₋₆ alkylcarbonyloxy,Calcium hydroxide c83216c831832424；SO (R)C₂₋₄ alkylthioalkyl,C₂₋₄ alkylsulfonylalkyl,C₁₋₄ alkylamino,dialquilamino C₂₋₄,hydroxy or C₃₋₆ cycloalkyl；A is an excimer selected from the residue (2) of the formula,(3) And (4)；Each Y1,And...Y3,Y83088 and y83099 independent or CRU,As long as it does not exceed 3 y1s,And...Y3,Y83088 and y830909 Sean； every y8310sean；Y831181 and Y831222 are independent N or CR3,As long as it does not exceed 2 y8310,Y8311 and y8312 n； Z is o or s； q is C (r830808) (r83099)；O, S o NR⁶；J is phenyl, substituted by 1 r8311 and optionally by 2 r831222；O J is the heterocyclic aromatic ring of 6 members in the carbon circle, which can be replaced by 1r8311 and 2r831222, or j is the heterocyclic aromatic ring of 5 members in the carbon circle, which can be replaced by 1r8313 and 1r1 in the nitrogen circle； Each R2 is independent of H, halogen, cyanogen, nitrogen and sf832525；C₁₋₄ alkoxy,hello Coxi C₁₋₄,1. Lease of c83218331 and 83242431；C₁₋₄ haloalkyl,C₂₋₄ alkenyl,1. C 83228331 asphalt；C₃₋₄ alkenyloxy,alquiniloxi C o S (O) Reach R³ is independently H, halogen, cyano, C₁₋₄ alkyl,C₁₋₄ haloalkyl,C₁₋₄ alkoxy,haloalcoxi C o S (O) RR es H F Cl Br ciano alquilo C1. Halogenated tar c83218d8331248o co8322； R3；R⁵ is H, F, C₁₋₄ alkyl,Oh o or1 cubeO r83088 and r83099 combine with these gases to form C (= O),C (= nor13) or C (= N-N (R1 830808) (R1 83099)；R⁶ is H, C₁₋₄ alkyl or C₁₋₄ haloalkyl；R8311811 is halogen, cyanogen, sf832525；1. Lease o
