Pyrimidine compounds, and herbicidal method and compositions

Pyrimidine derivative

Pyrimidine derivatives

Pyrimidine derivatives

Pyrimidine derivatives

Pyrimidine derivatives

Pyrimidine derivatives

Pyrimidine derivatives

Pyrimidine derivatives and herbicidal composition containing the

Pyrimidine derivatives and herbicidal compositions containing th

Pyrimidine derivatives and herbicidal method and compositions

Pyrimidine derivatives and herbicide containing the same

Pyrimidine derivatives and their use as herbicides

Pyrimidine derivatives having a herbicidal action and an action

Pyrimidine derivatives, preparation processes thereof, herbicide

Pyrimidine derivatives, processes for their production and herbi

Pyrimidine derivatives, processes for their production, and herb

Pyrimidinyl herbicides

Pyrimidinyloxyalkanamide derivatives and herbicide composition c

Pyrimido(5,4-e)-as-triazine-5,7(6H,8H)-diones