Naphthotriazole derivatives, process for their preparation,intermediates and pharmaceutical compositions containing them.

摘要

Compounds of formula (I):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="26" wi="102" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R is hydrogen, halogen, C<Sub>1-4</Sub> alkyl or C<Sub>1-4</Sub> alkoxy; R<Sub>1</Sub> is hydrogen or C<Sub>1-6</Sub> alkyl; and n is 1 to 6 and pharmaceutically acceptable salts thereof; pharmaceutical compositions containing them; a process for their preparation; and their use in treating allergy.