Compounds of formula (I)
as well as pharmaceutically acceptable salts and esters thereof wherein the residues have the significance given in claim 1 and which can be used in the form of pharmaceutical compositions.
式(I)的化合物,以及其药学上可接受的盐和
酯,其中残基具有权利要求1中给定的意义,并可用于制备药物组合物。