| 摘要 |
Herbicidal pyrimidine and triazine derivatives of formula (I) and salts thereof, where X represents -CH= or -N=; Y is a substituted or unsubstituted alkyl or amino group; R<1> represents a substituted or unsubstituted alkyl, cycloalkyl, phenyl or heterocyclyl group; R<2> represents hydrogen, halogen or alkyl; and R<4> and R<5>, which may be the same or different, each represent hydrogen, alkyl, alkoxy, amino, alkylamino, dialkylamino or halogen. |
