Hydantoin derivatives of the formula I ##STR1## in which n is 3 or 4, R.sup.1 is alkyl or a radical of the formula R'--NH--C.dbd.N--R" with R' and R" being hydrogen or alkyl, and R.sup.2 is hydrogen, --NH--CO--NH.sub.2 and optionally substituted alkyl, and a process for the preparation thereof and the use thereof for inhibiting platelet aggregation, are described.
                            本文描述了公式I的Hydantoin衍
生物,其中n为3或4,R1为烷基或具有公式R'-NH-C.dbd.N-R"的基团,其中R'和R"为氢或烷基,R2为氢,-NH-CO-NH2和可选的取代烷基,以及其制备过程和用于抑制血小板聚集的用途。