(3S,5R,7aS,11aS)-3-[(benzyloxy)methyl]-5-hexyloctahydro-1H-pyrrolo[2,1-j]quinolin-7(7aH)-one

(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-formyl-1-aza-spiro[4.5]decane-1-carboxylic acid tert-butyl ester

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

(2S,5S)-5-Benzyloxymethyl-2-(2-oxo-ethyl)-2-[4-(toluene-4-sulfonyloxy)-butyl]-pyrrolidine-1-carboxylic acid tert-butyl ester