Tiapride is a substance that has an effect on the central nervous system. It is used in the treatment of dyskinesias and Chorea Huntington as well as movement disorders, tremor caused by chronic alcohol abuse and tic disease.
This is a dark field microscopy picture after the dissolvement of a drop of triapidal. I have dissolved the evaporation residues in ethyl alcohol and achieved completely different results. That can be seen in the next picture.