The invention concerns compounds of formula I ##STR1## wherein R is a fluorine, bromine or iodine atom or the amino, acetylamino, methyl, cyano, hydroxyl, methoxy or trifluoromethyl group, the tautomeric forms thereof, and acid addition salts of the compounds in which R represents amino. The products have antithrombotic activity. They can be prepared according to methods known per se.
该发明涉及公式I的化合物:##STR1## 其中R是
氟、
溴或
碘原子,或
氨基、乙酰
氨基、甲基、
氰基、羟基、甲氧基或三
氟甲基基团,它们的互变异构体,以及其中R代表
氨基的化合物的酸加成盐。这些产品具有抗血栓活性。它们可以按照已知的方法制备。