Compounds of the formula (I), in which D, R
1
, R
2
, R
3
, R
4
have the meanings indicated in claim
1
, are inhibitors of tyrosine kinases, in particular of Met kinase, and can be employed, inter alia, for the treatment of tumours.
公式(I)中的化合物,其中D、R1、R2、R3、R4具有声明1中指示的含义,是
酪氨酸激酶的
抑制剂,特别是Met激酶的
抑制剂,可用于治疗肿瘤等疾病。