Compounds of the formula (I) in which R
1
, R
2
and R
3
have the meanings indicated in Claim
1
, are inhibitors of PDK1 and cell proliferation/cell vitality and can be employed treatment of tumours.
                            公式(I)中R1,R2和R3的含义如权利要求1所示的化合物是PDK1和细胞增殖/细胞活力的
抑制剂,可用于治疗肿瘤。