| abstract |
Use of N-benzoyl N'-(phenoxyphenyl) ureas or their thio analogues, of formula (I) for controlling house dust mites is new: R<1> = F or H; R<2> = F, Cl, or Br; and either R<3> = F, H, or Me; R<4> = F, Cl, or H; R<5> = F, Cl, Br, or H; R<6> = CF3; A = CH or N; and B, X = O or S; or R<3>-R<5> = H; R<6> = Cl, F, or H; A = CH; B = O; X = CH2ON=CR<7>; and R<7> = 1-3C alkyl or H. |