(S)-2-Benzyloxymethyl-5-methyl-3,4-dihydro-2H-pyrrole

4-((S)-5-Benzyloxymethyl-4,5-dihydro-3H-pyrrol-2-yl)-butan-1-ol

(2S,5S)-2-Allyl-5-benzyloxymethyl-2-(4-hydroxy-butyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

(2S,5S,6R)-2-Benzyloxymethyl-6-((Z)-non-2-enoyl)-1-aza-spiro[4.5]decane-1-carboxylic acid tert-butyl ester

(2S,5S,6R)-2-Benzyloxymethyl-6-non-2-ynoyl-1-aza-spiro[4.5]decane-1-carboxylic acid tert-butyl ester