1-(3-(3,5-Bis(trifluoromethyl)phenyl)-2-propynyl)-4-(1,1-dimethylethyl)piperidine 81613-59-4 Flupropadine Piperidine, 1-(3-(3,5-bis(trifluoromethyl)phenyl)-2-propynyl)-4-(1,1-dimethylethyl)-