(S)-3-quinuclidinol
(3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-(2-methanesulfonyloxy-ethyl)-piperidine-1-carboxylic acid benzyl ester
(3S,4S)-3-Hydroxy-4-(2-methanesulfonyloxy-ethyl)-piperidine-1-carboxylic acid benzyl ester
(2S,4aR,8aS)-2-Methoxy-octahydro-pyrano[2,3-c]pyridine-7-carboxylic acid benzyl ester
(4aR,8aS)-4,4a,5,6,8,8a-Hexahydro-pyrano[2,3-c]pyridine-7-carboxylic acid benzyl ester