2,4-Imidazolidinedione, 1-(3,5-dimethyl-4-(2-((4-oxo-2-(4-(trifluoromethoxy)phenyl)-1,3,8-triazaspiro(4.5)dec-1-en-8-yl)sulfonyl)ethyl)phenyl)-5,5-dimethyl-
PCO-371 is under investigation in clinical trial NCT02475616 (A Single Ascending Dose Study of PCO371 in Healthy Volunteers).