Patent ID: 6903237
Filing Date: 2005-06-07
Classification: A01N,A61P,C07C

Abstract:
1. A method of controlling ectoparasitic insect pests for animals which comprises the steps of administering an effective amount of a controller to the body surface of an animal, which contains, as active ingredient thereof, a hydrazine derivative represented by the following general formula (I): wherein A represents in this formula, R 4 represents a hydrogen atom or a C 1-6 alkyl group; X which may be the same or different represents one to five substituents selected from the group consisting of hydrogen atom, halogen atom, C 1-6 alkyl group and halo C 1-6 alkyl group; in this formula, R 4 and X are as defined above, and R 5 represents a hydrogen atom, a C 1-6 alkylcarbonyl group or a phenylcarbonyl group which may optionally have one or two, the same or different substituents selected from C 1-6 alkyl groups; in this formula, R 4 and X are as defined above, or in this formula, R 4 and X are as defined above; R R Y which may be the same or different, represents one to five substituents selected from the group consisting of hydrogen atom, halogen atom, nitro group and cyano group; Z represents a halogen atom, a cyano group, a C W represents an oxygen atom or a sulfur atom.