Compounds of the formula (I), in which R
1
, Q and Het 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.
                            式(I)中的化合物,其中R1、Q和Het具有权利要求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。