1-(2-(Tetrahydro-2,2-dimethyl-4-phenyl-2H-pyran-4-yl)ethyl)piperidine 130688-22-1 BRN 4354849 Piperidine, 1-(2-(tetrahydro-2,2-dimethyl-4-phenyl-2H-pyran-4-yl)ethyl)-