What is "tandospirone"

n. A psychoactive drug of the piperazine and azapirone chemical classes, used as an anxiolytic and antidepressant.

Tandospirone (Sediel), also known as metanopirone, is an anxiolytic and antidepressant used in China and Japan, where it is marketed by Dainippon Sumitomo Pharma. It is a member of the azapirone and piperazine chemical classes and is closely related to other agents like buspirone and gepirone.