Herbicidal compounds of the formula:
and salts thereof wherein R1 is a pyridyl group of the formula:
a phenyl group of the formula:
or a pyrimidinyl group of formula:
wherein X is halogen or optionally fluorine-substituted C1-C4-alkyl and Y is hydrogen, halogen, or optionally fluorine-substituted C1-C4-alkyl; W is halogen or CF3 and Z is hydrogen or one or more halogen atoms; Q is halogen, or CF3; R2 is alkyl of 1 to 6 carbon atoms, optionally fluorine-substituted; and R3 is hydrogen or alkyl of 1 to 4 carbon atoms.
式中的除草化合物:
及其盐类 其中 R1 是式中的
吡啶基:
式中的苯基
或式中的
嘧啶基:
其中 X 是卤素或任选
氟取代的 C1-C4 烷基,Y 是氢、卤素或任选
氟取代的 C1-C4 烷基;W 是卤素或
CF3,Z 是氢或一个或多个卤素原子;Q 是卤素或 ;R2 是 1 至 6 个碳原子的烷基,任选
氟取代;R3 是氢或 1 至 4 个碳原子的烷基。