abstract |
Compounds of formula (I) in which R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3a</SUP>, R<SUP>3b</SUP>, R<SUP>3c</SUP> and R<SUP>3d</SUP>, which have the meanings cited in Claim 1, are inhibitors of tyrosinkinases, particularly Met kinase and can, among other things, be used for treating tumors. |