Claim 1: use compound (1) with formula characteristics, wherein: A is phenyl, or heterocyclic aromatic cycle composed of 5 to 6 members, in which, in addition to carbon atom, heterocyclic atom also includes 1, 2, 3 or 4 heterocyclic atoms selected from n, or as part of the ring atom； and a. Group A was not replaced by the same or different 1, 2, 3 or 4 R groups, in which RA was halogen, cyanogen and no832222；Oh, nh832222,SH, C₁₋₆-alkyl, C₁₋₆-alkoxy, C₁₋₆-alkylthio, C₁₋₆-alkylsulfinyl, C₁₋₆-alkylsulfonyl, C₂₋₆-alkenyl, C₂₋₆-alkynyl, C₃₋₈-cycloalkyl or C₃₋₈-cycloalkoxy； and wherein any of the aliphatic or cyclic portions are unsubstituted or substituted with 1, 2, 3 or 4 identical or different Rᵃ groups； where Rᵃ is halogen, cyano, NO₂,Oh, SH, nh832222,C₁₋₆-alkyl, C₁₋₆-haloalkyl, C₁₋₆-alkoxy, C₁₋₆-haloalkoxy, C₁₋₆-alkylthio, C₁₋₆-haloalkylthio or C₃₋₈-cycloalkyl； R¹,They are independent,hydrogen, C₁₋₆-alkyl, C₂₋₆-alkenyl, C₂₋₆-alkynyl, C₃₋₆-cycloalkyl, C₃₋₆-cycloalkenyl, C (= O) - (C₁₋₆-alkyl),C (3DO) - (C -alcoxi)phenyl-C₁₋₄-alkyl, heteroaryl-C₁₋₄-alkyl, phenyl, naphthyl or a saturated monocyclic or bicyclic heterocycle, partially unsaturated or aromatic of 3 to 10 members, wherein the ring member atoms of said monocyclic heterocycle or bicyclic include, in addition to carbon atoms, 1, 2, 3 or 4 additional heteroatoms selected from N, O and S as ring member atoms, and wherein 1 or 2 carbon atoms ring members of the heterocycle can be replaced by 1 or 2 groups independently selected from C (= O) and C (= S)；and wherein the heteroaryl-C₁₋₄-alkyl heteroaryl group is a 5 or 6 membered aromatic heterocycle, wherein the heterocyclic ring member atoms include, in addition to carbon atoms, 1, 2, 3 or 4 heteroatoms selected from N, O and S as ring member atoms； and wherein any of the aforementioned aliphatic or cyclic groups are unsubstituted or substituted with 1, 2, 3 or up to the maximum possible number of identical or different R¹ᵃ groups； or R¹ and R²,When nitrogen atoms
