| 摘要 |
Insecticidal composition containing, as active ingredient, a compound of the formula I <IMAGE> in which either R1 or R2 in each case denote hydrogen or methyl and R3 denotes phenyl or R1 and R2 simultaneously denote hydrogen and R3 denotes p-chlorophenyl, p-methylphenyl or o-methylphenyl, and their tautomers.
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