abstract |
Compounds having the formula ##STR1## wherein R 1 is alkyl, cycloalkyl or aryl; R 2 is acyl or sulfonyl; R 3 is a nitrogen containing heterocyclic group; A 1 is a saturated bond or an alkylene group having 1 to 4 carbon atoms; and A 2 is an alkylene group having 2 to 5 carbon atoms; have antiinflammatory activity. |