Compounds of the formula I
in which R1, R2, R3, R4′ have the meanings indicated in claim 1, are inhibitors of tyrosine kinases, in particular Met kinase, and can be employed, inter alia, for the treatment of tumors.
公式I的化合物中,R1、R2、R3、R4'具有权利要求书中指定的含义,可以作为
酪氨酸激酶的
抑制剂,特别是Met激酶的
抑制剂,并可用于治疗肿瘤等疾病。