tert-butyl (2S,5S,6S)-2-benzyloxymethyl-6-[(1E)-3-oxonon-1-enyl]-1-azaspiro[4.5]decane-1-carboxylate

tert-butyl (2S,5S,6S)-2-benzyloxymethyl-6-[(1E,3S/R)-3-hydroxynon-1-enyl]-1-azaspiro[4.5]decane-1-carboxylate

tert-butyl (2S,5S,6S)-2-benzyloxymethyl-6-[(1E,3S/R)-3-(formyloxy)non-1-enyl]-1-azaspiro[4.5]decane-1-carboxylate

(3S,5S,7aS,11′S)-3-(benzyloxymethyl)-5-hexyldecahydro-1H-pyrrolo[1,2-j]quinoline

(3R)-1-[(2S,5S,6S)-2-benzyloxymethyl-1-azaspiro[4.5]dec-6-yl]-3-nonanol