The novel compounds of the formulas I and I' ##STR1## wherein F is in 5 or 6 position and ##STR2## wherein in both formulas R is the group --CH.sub.2 OCOOR.sup.1, wherein R.sup.1 is a straight or branched alkyl containing 1-6 carbon atoms or benzyl, or R.sup.1 is the group ##STR3## --(CH.sub.2).sub.n COOH or --(CH.sub.2).sub.n SO.sub.3 H wherein n is 1-6 and physiologically acceptable salts thereof as well as intermediates, pharmaceutical compositions containing such compounds as active ingredient, and the use of the compounds in medicine.
这些公式I和I'的新化合物如下所示:其中F位于5或6位置,以及在两个公式中R均为--CH.sub.2 OCOOR.sup.1基团,其中R.sup.1是含有1-6个
碳原子的直链或支链烷基或
苄基,或者R.sup.1是##
STR3##基团--(CH.sub.2).sub.n COOH或--(CH.sub.2).sub.n SO.sub.3 H,其中n为1-6,以及其生理学上可接受的盐,以及包含这些化合物作为活性成分的药物组合物,以及这些化合物在医学上的用途。