The invention relates to compounds of formula (I) wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, X and X' have the designations cited in patent claim 1. Said compounds are inhibitors of tyrosine kinases, especially TIE-2, and Raf kinases, and can, inter alia, be used for the treatment of tumors. ##STR00001##