Compounds of the formula: IMAGE wherein A represents a heterocyclic radical selected from 3-pyridyl, 4-pyridyl, 5-isoquinolyl and 5-isoquinolyl substituted in the 3-position by an alkyl radical containing 1 to 10 carbon atoms, are new compounds possessing pharmacological properties, in particular analgesic, antipyretic and anti-inflammatory properties.
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