| 摘要 |
<p>Compounds of formula (I):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="24" wi="95" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>or a salt or acyl derivative thereof; wherein Y is either
<Chemistry id="chema02" num="0002"><Image id="ia02" he="18" wi="34" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry><UnorderedLists id="ula01" listStyle="none"><ListItem>R<Sup>1</Sup> is hydroxy, halogen, (C<Sub>1-4</Sub>) alkyl, or (C<Sub>1-4</Sub> alkoxy,</ListItem><ListItem>R<Sup>2</Sup> is a nitrogen-containing, basic substituent,</ListItem><ListItem>R<Sup>3</Sup> is hydrogen, hydroxy, halogen, (C<Sub>1-4</Sub> alkyl, (C<Sub>1-4</Sub>) alkoxy or a nitrogen-containing, basic substituent, and</ListItem><ListItem>R<Sup>4</Sup> is hydrogen or hydroxy, are useful in treating diarrhoea and scours.</ListItem></UnorderedLists></p> |
