This invention relates to compounds of the formula: ##SPC1## Wherein R.sub.1 in the 3- or 5-position is preferably a substituted sulfonamido or a carboxamido group whereas R.sub.2 in the 2-, 4- or 6-position is preferably an alkyl- or hydroxyalkyl-piperazinyl group. Said compounds may be used as anti-inflammatory and cardiovascular agents.