Compounds of the formula (I), in which R, X, Y, Z, R3 and R4 have the meanings indicated in claim 1, are inhibitors of methionine aminopeptidase and can be employed for the treatment of tumours.
公式(I)的化合物,其中R,X,Y,Z,R3和R4具有权利要求1中所示的含义,是蛋
氨酸
氨肽酶的
抑制剂,并可用于治疗肿瘤。