3-((3,5-Bis(trifluoromethyl)phenyl)amino)-4-(((1S,2S)-1,2-diphenyl-2-(piperidin-1-yl)ethyl)amino)cyclobut-3-ene-1,2-dione

3-((3,5-Bis(trifluoromethyl)phenyl)amino)-4-(((1S,2S)-1,2-diphenyl-2-(piperidin-1-yl)ethyl)amino)cyclobut-3-ene-1,2-dione