XY-AG: Originally developed by French Servier., it is the exclusive first generic product in China, and an antidepressant drug, which is a new breakthrough in the field of depression treatment (this variety has been declared to the SFDA for review). XY-TBZ: Originally developed by Janssen Pharmaceutical Ltd., it is a domestic clinical blockbuster drug for the treatment of epilepsy and migraine, with a unique mechanism of action.