Guanidine derivatives.

摘要

Novel guanidine derivatives of the formula (I) wherein Z represents 2-chloro-5-pyridyl group, 2-chloro-5-thiazolyl group, or 3-chloro-5-isoxazolyl group, R<1> represents hydrogen atom or C1-4 alkyl group, R<2> represents hydrogen atom, C1-4 alkyl group, C3-4 alkynyl group, C3-4 alkenyl group or 2-chloro-5-pyridylmethyl, R<3> and R<4> each represent hydrogen atom, halogen atom, C1-4 alkyl group, C3-4 alkynyl group, C3-4 alkenyl group, benzyl which may be substituted or a group represented by Z-C(R<1>)H- wherein Z and R<1> are the same meanings as mentioned above, n represents an integer of 2 or 3, and Y represents nitro or cyano, and pesticidal compositions comprising the compound of the formula (I) as active components.