thioridazine ( 10 and 100 mum ) and haloperidol ( 50 mum ) were also effective in depressing da-responses , while the non-antipsychotic phenothiazines mepazine ( 10 and 100 mum ) and promethazine ( 100 mum ) had only a slight action on da-receptors .
C0018546
haloperidol
C0040615
antipsychotic