| 摘要 |
The invention relates to herbicidal compounds of formula (Ia), (Ib) and (Ic), where R, R<1>, R<2> and n are as defined in the description, X is -C(R<13>R<14>)- or -C(R<13'>R<14'>)-C(R<15>R<16>)-; and R<3> represents -P(=O)(OR<17>)(R<19>), -P(=O)(OR<17>)(OR<18>); or a group (g); and to their use as herbicides. |
