(2S,5S,6S)-tert-butyl 2-(benzyloxymethyl)-6-(3'-oxo-propyl)-1-azaspiro[4,5]decane-1-carboxylate

(2S,5S)-tert-butyl 5-(benzyloxymethyl)-2-[(S)-1-(tert-butyldiphenylsilyloxy)oct-7-en-4-yl]-2-vinylpyrrolidine-1-carboxylate

(2S,5R,10S)-tert-butyl 5-(benzyloxymethyl)-10-[3'-(tert-butyldiphenylsilanyloxy)propyl]-1-azaspiro[4,5]dec-6-ene-1-carboxylate

[(2R,3R)-3-hexyloxiran-2-yl]methanol