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N-Substituted 5-aminomethylquinoxalinediones containing carboxy or phosphon
ic acids yield potent and selective AMPA and/or NMDA (glycine-binding site)
antagonists. Phosphonic acid derivatives are particularly water-soluble an
d display potent anticonvulsant effects in the electroshock-induced convuls
ion assay in mice. (C) 1999 Elsevier Science Ltd. All rights reserved.