(2S,3R)-2-(tert-butoxycarbonylamino)-1,3-dibenzyloxyoctadecane-6-one

tert-butyl (4S,1'R)-4-(1'-benzyloxy-4'-hydroxyhexadecyl)-2,2-dimethyloxazolidine-3-carboxylate

tert-butyl (4S,1'R)-4-(1'-benzyloxy-4'-oxohexadecyl)-2,2-dimethyloxazolidine-3-carboxylate

tert-butyl (1S,2S,4R,6R)-6-dodecyl-2-phenylhexahydro[1,3]dioxino[5,4-b]pyridine-5-carboxylate

(2S,4R,5S,3'S)-5-tert-butoxycarbamido-4-(3'-hydroxypentadecyl)-2-phenyl-1,3-dioxacyclohexane