| 摘要 |
PROBLEM TO BE SOLVED: To provide a new endoparasite controlling agent exhibiting excellent control effects on endoparasites of homoiothermal animals with a low dose. SOLUTION: The new endoparasite controlling agent contains an acylhydrazone derivative represented by formula (I) äwherein, R<SB>1</SB>represents alkyl, alkenyl, alkynyl, phenyl or heterocycle; R<SB>2</SB>represents phenyl or heterocycle; and R<SB>3</SB>represents hydrogen atom, alkyl, carbonyl or NR<SB>4</SB>R<SB>5</SB>(wherein, R<SB>4</SB>and R<SB>5</SB>represent each hydrogen atom or alkyl which may be substituted with halogen)} as an active ingredient. COPYRIGHT: (C)2011,JPO&INPIT
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