Benzopyrano (2,3-d) triazole-derivatives, their preparation and use in pharmaceutical compositions.

摘要

Compounds of the formula (I), or pharmaceutically acceptable salts thereof:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="24" wi="86" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein X is phenyl, optionally substituted by one halogen, C<Sub>1-4</Sub> alkyl or C<Sub>1-4</Sub> alkoxy; or pyridyl; R<Sub>1</Sub> is hydrogen or C<Sub>1-6</Sub> alkyl; and n is 1 to 6, pharmaceutical compositions containing them and a process for their preparation.