105919-44-6 4-Methyl-1-(1-oxo-3-(4-(trifluoromethyl)phenyl)-2-propenyl)piperidine 4-Methyl-1-(4-trifluoromethylcinnamoyl)piperidine Piperidine, 4-methyl-1-(1-oxo-3-(4-(trifluoromethyl)phenyl)-2-propenyl)-