(S)-1-((S)-1-phenylethyl)-2-propylpiperidine

(2R)-(-)-1-((1S)-1-phenylethyl)-2-(1-prop-2-enyl)piperidine

benzyl (R,E)-2-(prop-1-en-1-yl)piperidine-1-carboxylate

(2S)-2-propyl-1-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)piperidine