| abstract |
Hydrazinooxoacetamide derivatives represented by formula (I) or salts thereof, which have excellent insecticidal activity even when used in a low concentration. In formula (I), R1 is chlorine or bromine: Y is oxygen or methylene, provided that p is 2 when Y is oxygen, and p is 0 when Y is methylene; R2 is trifluoromethyl; R3 is hydrogen or methyl; R4 is hydrogen or methyl; and R5 is methyl, ethyl, n-propyl, allyl, or propargyl. |