(3R,4R)-3-tert-butoxycarbonylamino-4-methoxymethoxy-azepane-1-carboxylic acid benzyl ester

3-azido-1-benzyl-4-methoxymethoxy-azepane

methanesulfonic acid 1-benzyl-3-methoxymethoxy-piperidin-2-ylmethyl ester

3-azido-4-(4-nitro-benzoyloxy)-azepane-1-carboxylic acid benzyl ester

(2R,3S)-1-benzyl-3-methoxymethoxy-6-oxopiperidine-2-carboxylic acid ethyl ester