Described are compounds of the formula ##STR1## wherein R.sub.2 -R.sub.8 independently of one another denote hydrogen, loweralkyl, phenyl, alkoxy, halo, hydroxy, nitro, trifluoromethyl, ##STR2## with the proviso that at least one but no more than one of the substituents R.sub.2 -R.sub.8 is ##STR3## and with the further provisos that at least four of the substituents R.sub.2 -R.sub.8 are hydrogen and R.sub.2 cannot be ##STR4## when R.sub.3 -R.sub.8 are hydrogen, and pharmaceutically acceptable salts thereof. The compounds are effective as antiinflammatory and antiasthma agents.
本文描述了式子##STR1##的化合物,其中R.sub.2-R.sub.8独立地表示氢,低碳基,苯基,烷氧基,卤素,羟基,硝基,三
氟甲基,##STR2##,但至少一个但不超过一个取代基R.sub.2-R.sub.8是##STR3##,并且进一步规定至少四个取代基R.sub.2-R.sub.8是氢,当R.sub.3-R.sub.8为氢时,R.sub.2不能是##STR4##,以及其药学上可接受的盐。该化合物可作为抗炎和抗哮喘剂。