A method of antagonizing the biological effects of an excitatory amino acid of a subject in need of such antagonization comprising the step of administering to said subject an effective amount of a compound having the formula <IMAGE> (I) wherein R3 is hydrogen, C1-8-alkyl which may be branched, or cycloalkylmethyl; R7 and R8 are independently hydrogen, halogen, CF3, CN, NO2, NH2, C1-4-alkyl or C1-4-alkoxy; and R4 is hydrogen and R5 is hydrogen or C1-7-alkyl; or R4 and R5 together signify (CH2)n wherein n is an integer of 2-3.
Method of antagonizing excitatory amino acids by administration of imidazobenzodiazepine compounds