| 摘要 |
FIELD: pesticides. SUBSTANCE: new ether compounds with general formula P-1: <EMI ID=0.484 HE=21 WI=66 TI=CHI> (P-1) wherein R<SB>1</SB> is hydrogen or chlorine; R<SB>2</SB> and R<SB>3</SB>, independently, are hydrogen or methyl; A group with general formula a: <EMI ID=0.485 HE=15 WI=21 TI=CHI> or <EMI ID=0.486 HE=21 WI=18 TI=CHI> (a) in which R<SB>4</SB> is hydrogen or chlorine; B group of general formula b: <EMI ID=0.487 HE=27 WI=18 TI=CHI>, <EMI ID=0.488 HE=12 WI=15 TI=CHI>, or <EMI ID=0.489 HE=21 WI=15 TI=CHI> (b) in which R<SB>7</SB> and R<SB>8</SB> are hydrogen atoms and X oxygen. Compounds exhibit killing activity toward harmful organisms, in particular, pests. EFFECT: extended choice of pesticides. 8 cl, 5 tbl, 26 ex
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