THE PRESENT INVENTION RELATES TO 1H-QUINAZOLINE-2, 4-DIONES OF FORMULA (I) WHEREIN R¹ 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 (I) AND COMBINATIONS COMPRISING COMPOUNDS OF FORMULA (I) ARE DISCLOSED.