| abstract |
Aryloxyacetic acid derivatives of the formula <IMAGE> where R1 is H, CH3, Cl, Br, F, or NO2; R2 is H or Cl; R3 is H, CH3 C(CH3)3, Cl, Br or NO2; R4 is H or Cl; R5 is H, CH3, Cl, Br or F; and R6 is 2-pyridylamino or 2-ethylene thiourea, are useful a herbicides. |