- Excitotoxins L-beta-oxalyl-amino-alanine (L-BOAA) and 3,4,6-trihydroxyphenylalanine (6-OH-DOPA) inhibit [3H] alpha-amino-3- hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA) binding in human hippocampus. Künig, G., Hartmann, J., Niedermeyer, B., Deckert, J., Ransmayr, G., Heinsen, H., Beckmann, H., Riederer, P. Neurosci. Lett. (1994)