1-(3-(3,5-Bis(trifluoromethyl)phenyl)-2-propynyl)-4-(tert-butyl)piperidinium chloride 81613-60-7 EINECS 279-786-4 Piperidine, 1-(3-(3,5-bis(trifluoromethyl)phenyl)-2-propynyl)-4-(1,1-dimethylethyl)-, hydrochloride