- Guanidine derivatives, their production and insecticides
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An insecticidal composition containing a guanidine derivative of the formula: STR1 wherein R1 is an optionally substituted homocyclic or heterocyclic group, n is 0 or 1, R2 is a hydrogen atom or an optionally substituted hydrocarbon group, R3 is a primary, secondary or tertiary amino group, X is an electron attractive group such as nitro or trifluoroacetyl group, provided that when n is 0, R1 is an optionally substituted heterocyclic group or a salt thereof.
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