Compounds of formula (I) wherein neither R
4
nor R
5
is hydrogen; compositions comprising them, processes for preparing them and their use in medical therapy (for example modulating CCR5 receptor activity in a warm blooded animal).
公式(I)的化合物,其中R4和R5均不是
氢;包含它们的组合物,制备它们的过程以及它们在医疗治疗中的应用(例如在温血动物中调节CCR5受体活性)。