Compounds of formula
wherein R₁, R₂, R₃, R₄, and n have the meanings reported in the specification, processes for their preparation and pharmaceutical compositions containing them as active ingredient are described.
The compounds of formula I are inhibitors of enzymatic systems and they are useful in pharmaceutical field.
式化合物
其中 R₁、R₂、R₃、R₄ 和 n 具有说明书中的含义。
式 I 的化合物是酶系统的
抑制剂,可用于制药领域。