the antagonism of neuroleptics of various groups ( chlorpromazine , chlorprothixene , clopenthixol , clozapine , flupenthixol , fluphenazine , haloperidol , levomepromazine , mepazine , perazine , perphenazine , pimozide , prochlorperazine , promazine , spiperone , thiopromazine , thioridazine , trifluperazine , trifluperidol , triflupromazine ) towards l-5-hydroxytryptophan ( 5-htp ) was assessed on the basis of inhibition of characteristic head-twitches .
C0040615
neuroleptics
C0018546
haloperidol