Compounds of the formulae ##STR1## wherein n=6-11, M is hydrogen or a pharmaceutically acceptable cation, R is hydrogen or C.sub.1 -C.sub.6 alkyl optionally substituted by a carboxyl group and X.sub.a, X.sub.b and X.sub.c each independently represent hydrogen or a variety of substituent groups are potent inhibitors of 5-lipoxygenase.
式子为##STR1##的化合物,其中n=6-11,M是氢或药用可接受阳离子,R是氢或C.sub.1-C.sub.6烷基,可选地被羧基取代,而X.sub.a,X.sub.b和X.sub.c则各自独立地代表氢或各种取代基,它们是5-脂氧合酶的有效
抑制剂。