| 摘要 |
<p>Novel pyridazin-3-one derivatives of formula (1) are provided, which are useful as active ingredients of herbicides, wherein R1 is haloalkyl; R?2 and R3¿ are the same or different and are hydrogen, alkyl, haloalkyl, or alkoxyalkyl; and Q is [Q-1], [Q-2], [Q-3], [Q-4], or [Q-5]. Also provided are their use and intermediates for their production.</p> |
