Padsevonil and its Impurities

Padsevonil (UCB 0942) is an orally administered small molecule compound, being developed by UCB Biopharma, for the treatment of drug refractory epilepsy and partial-onset seizures in patients with drug refractory epilepsy. Reference standards of Padsevonil API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.