Phenylacetohydroxamic acids having the formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of each other, represent hydrogen, chlorine, fluorine or bromine atoms or an alkyl or alkoxy group having at most 6 carbon atoms, and wherein R.sub.2 may additionally represent a trifluoromethyl group with the proviso that R.sub.1, R.sub.2 and R.sub.3 may not simultaneously represent hydrogen atoms and their pharmaceutically acceptable salts with bases, which compounds inhibit plateletaggregation and exhibit valuable pharmacological, in particular, antiphlogistic, analgesic and antipyretic activity.
具有I式的苯乙酰
羟胺酸,其中R1,R2,R3和R4独立地表示氢,
氯,
氟或
溴原子或具有最多6个碳原子的烷基或烷氧基,其中R2还可以表示三
氟甲基基团,但R1,R2和R3不能同时表示氢原子,以及它们与碱的药学上可接受的盐。这些化合物抑制血小板聚集并表现出有价值的药理学,特别是抗炎,镇痛和退热活性。