Anti-inflammatory activity and hypotensive activity are exhibited by compounds having the formula ##SPC1## The salts thereof, and the 5-oxide and 5,5-dioxide thereof, wherein A is a straight or branched chain alkylene group; R.sub.1 is hydrogen, alkyl, alkoxy, trifluoromethyl, or halogen; R.sub.2 is hydrogen or alkyl; and R.sub.3 is hydrogen, alkyl, phenyl, or phenylalkyl.
具有以下公式的化合物展示了抗炎活性和降压活性:##
SPC1## 其盐以及其5-氧化物和5,5-二氧化物,其中A是直链或支链烷基;R.sub.1是氢,烷基,烷氧基,三
氟甲基或卤素;R.sub.2是氢或烷基;R.sub.3是氢,烷基,苯基或苯基烷基。