| 摘要 |
Compositions containing 1,2-dihydro-1,3,5-triazines of general formulae (Ia) or (Ib), wherein R<1>, R<2>, R<3>, R<4>, R<4'>, R<5> and R<5'> are various substituents, or their tautomers and salts and metal complexes thereof, have herbicidal activity and may be applied either pre- or post-emergence to control weeds. Some of the compounds of general formulae (Ia) and (Ib) are new. |
