| 摘要 |
<p>Herbicidal composition. A herbicidal preparation comprising a compound of formula (I):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="24" wi="91" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup> is C<Sub>1-3</Sub>alkyl or C<Sub>2-3</Sub> alkenyl; R<Sup>2</Sup> is oxygen or sulphur, R<Sup>3</Sup> is halogen, lower alkyl, lower alkenyl, lower haloalkyl, lower alkoxy, nitro, amino, lower alkylamino, lower dialkylamino, lower alkylthio, lower alkylsulphoxide, lower alkylsulphone, cyano or thiocyano; and n is zero or an integer up to 4; provided that when n is greater than 2 a maximum of two R<Sup>3</Sup> groups are selected from nitro, amino, lower alkylamino and lower dialkylamino, in combination with a compound of formula (II):
<Chemistry id="chema02" num="0002"><Image id="ia02" he="31" wi="74" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>4</Sup> is chlorine or bromine; X is oxygen or sulphur; R<Sup>6</Sup> is straight or branched C<Sub>1-6</Sub> alkyl or phenyi; and Y is sulphur or when X is sulphur, Y may be oxygen.</p> |
