1-(2-Methyl-3-oxo-3-phenyl-propyl)-4-phenyl-piperidine-4-carboxylic acid ethyl ester
3-<1-(4-Ethoxycarbonyl-4-phenyl)-piperidino>-isobutyrophenon
ω-(4-Ethoxycarbonyl-4-phenyl-piperidino)-α-methyl-propiophenon
expand collapse