several benzodiazepines ( chlordiazepoxide , clonazepam , diazepam and flunitrazepam ) markedly counteracted the elevation of the homovanillic acid ( hva ) content of the rat brain induced by neuroleptics ( haloperidol , pimozide , chlorpromazine , and clozapine ) .
C0005064
benzodiazepines
C0008188
chlordiazepoxide