Azines of formula (I) ** Formula ** in which A is heteroaryl, which is substituted by one to six RA substituents selected from the group consisting of halogen, OH, CN, amino, NO2, C1-C6 alkyl, alkenyl -C2-C6, alkynyl-C2-C6, alkoxy-C1-C6, alkenyloxy-C2-C6, alkynyloxy-C2-C6, (alkoxy-C1-C6) -alkyl-C1-C6, (alkoxy-C1-C6) -C1-C6 alkoxy, (C1-C6 alkoxy) -C2-C6 alkenyl, (C1-C6 alkoxy) -C2-C6 alkynyl, C1-C6 alkylthio, (C1-C6 alkyl) sulfinyl, (C1-C6 alkyl) sulfonyl, (C1-C6 alkyl) amino, di (C1-C6 alkyl) amino, (C1-C6 alkyl) -carbonyl, (C1-C6 alkoxy) -carbonyl, (alkyl -C1-C6) -carbonyloxy, cycloalkyl-C3-C6, cycloalkoxy-C3-C6, (cycloalkyl-C3-C6) -alkyl-C1-C4, (cycloalkyl-C3-C6) -alkoxy-C1-C4, where aliphatic and cycloaliphatic parts of the 22 radicals mentioned above were substituted, partially or completely halogenated and where the cycloaliphatic parts of the last 4 radicals mentioned may carry 1, 2, 3, 4, 5 or 6 methyl groups； R1 is selected from the group consisting of H, OH, S (O) 2NH2, CN, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, (C1-C6 cycloalkyl) -C1-alkyl C4, C1-C6 alkoxy, (C1-C6 alkoxy) -C1-C6 alkyl, (C1-C6 alkyl) -carbonyl, (C1-C6 alkoxy) carbonyl, (C1-C6 alkyl) sulfonyl, (C1-C6 alkylamino) carbonyl, di (C1-C6 alkyl) aminocarbonyl, (C1-C6 alkylamino), di (C1-C6 alkyl) aminosulfonyl and (C1-C6 alkoxy) sulfonyl, where the parts aliphatic and cycloaliphatic of the 14 radicals mentioned above were substituted, partially or completely halogenated, phenyl, phenyl-C1-C6 alkyl, phenylsulfonyl, phenylaminosulfonyl, phenylcarbonyl and phenoxycarbonyl, in which phenyl in the last 6 radicals mentioned is unsubstituted or substituted by 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen, CN, NO2, C1-C6 alkyl, halo-C1-C6 alkyl, C1-C6 alkoxy and C1-C6 haloalkoxy； R2 is H, halogen, OH, CN, C1-C6 alkyl, C2-C6 alkenyl, C3-C6 alkynyl, (C1-C6 alkoxy) -C1-C6 alkyl, cycloalkyl-C3-C6, cycloalkenyl- C3-C6, (cycloalkyl-C3-C6) -alkyl-C1-C4, alko
