The use is described of compounds of the general formula I ##STR1## wherein R.sup.1 represents a phenyl-lower alkyl group which can optionally be substituted in the phenyl ring by lower alkyl, lower alkoxy or halogen, or represents a naphthyl-lower alkyl group, R.sup.2 denotes hydrogen or a biolabile ester-forming group, and R.sup.3 denotes hydrogen or a biolabile ester-forming group, and physiologically acceptable salts of the acids of formula I for preparing pharmaceutical compositions for the treatment and/or prophylaxis of gastrointestinal blood circulation disturbances.
描述了通式I的化合物的用途##STR1##其中R.sup.1代表可以选择地在苯环中被较低的烷基,较低的烷氧基或卤素取代的苯基较低烷基,或者代表
萘基较低烷基,R.sup.2表示氢或
生物活性酯形成基团,R.sup.3表示氢或
生物活性酯形成基团,以及通式I的酸的生理学上可接受的盐,用于制备治疗和/或预防胃肠道血液循环障碍的药物组合物。