C nN rbrDCC AVK n07709_1.DOC-16/,201W The present invention relates to I H-Quinazoline-2,4-diones of formula (I) wherein R' and R2 are as defined in the specification, their preparation, their use as AMPA-receptor ligands, in particular for the treatment of epilepsy or schizophrenia, and pharmaceutical compositions containing them. Further, intermediates for the manufacture of compounds of formula (1) and combinations comprising compounds of formula (I) are disclosed.