| 摘要 |
<p>Derivatives having the formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="3" wi="36" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>or an agriculturally acceptable acid addition salt thereof, wherein R is lower alkyl or
<Chemistry id="chema02" num="0002"><Image id="ia02" he="13" wi="36" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>R, is hydrogen or lower alkyl; X and Y independently equal hydrogen, lower alkyl, lower alkoxy or halogen; n is 0, 1, or 3; A is
<Chemistry id="chema03" num="0003"><Image id="ia03" he="13" wi="83" file="IMGA0003.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>R: is hydrogen or methyl; R<Sub>3</Sub> is hydrogen or halogen; R<Sub>4</Sub> is hydrogen, methyl or phenyl; Z is oxygen or sulfur; provided that when n is 1 and A is
<Chemistry id="chema04" num="0004"><Image id="ia04" he="8" wi="31" file="IMGA0004.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>R, cannot equal ethyl and when n is 1 and A is
<Chemistry id="chema05" num="0005"><Image id="ia05" he="9" wi="20" file="IMGA0005.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>R<Sub>1</Sub> cannot equal n-propyl or isobutyl, further provided that when n is 0 A cannot equal
<Chemistry id="chema06" num="0006"><Image id="ia06" he="11" wi="25" file="IMGA0006.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>have been found to reduce herbicidal injury to crop plants due to thiocarbamate and acetanilide herbicides.</p> |
