[2R-(2S)]-phenylmethyl 2-(2-hydroxyheptyl)piperidinecarboxylate

Dithioisobutyric acid vinyl ester

Dithioisobutyric acid hexyl ester

(2R,3R)-1-O-trityl-3,4-O-isopropylidene-2-(N-benzyloxyamino)-2-n-butylbutane-1,3,4-triol

3-Allyl-4-butyl-3,4-dihydro-2H-pyran-4-ol