| 摘要 |
<p>Compounds are of formula I: <CHEM> Wherein: E is CH2 or a single bond; W is O or S; R is H or CH3; RX is H, F, Cl, CH3, OCH3, N(CH3)2 or OCHF2; R1 and R2 are selected from various organic groups, and A is selected from various heterocyclic groups, are useful as herbicides and plant growth regulators.</p> |
