Pyrimidine derivatives, processes for their production and herbicidal compositions containing them
申请人:KUMIAI CHEMICAL INDUSTRY CO., LTD.
公开号:EP0335409A2
公开(公告)日:1989-10-04
A pyrimidine derivative of the formula:
according each of R¹ and R² which may be the same or different is an alkyl group, or R¹ and R² together with the adjacent carbon atom form a ring.