Methanesulfonic acid 3-((2S,3R)-3-methyl-6-oxo-piperidin-2-yl)-propyl ester

(5R,6S)-6-(3-Benzyloxy-propyl)-5-methyl-piperidin-2-one

(4R,5S)-5-Azido-8-benzyloxy-4-methyl-octanoic acid ethyl ester

(4R,5R)-8-Benzyloxy-4-methyl-5-(toluene-4-sulfonyloxy)-octanoic acid ethyl ester

(8R,8aS)-hexahydro-8-methyl-5(1H)-indolizinone