methyl (1R,2R,3R,5S)-3-(benzoyloxy)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate;(1R,2R,3R,5S)-8-methyl-3-(oxo-phenylmethoxy)-8-azabicyclo[3.2.1]octane-2-carboxylic acid methyl ester;(1R,2R,3R,5S)-3-(benzoyloxy)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylic acid methyl ester;methyl (1R,2R,3R,5S)-8-methyl-3-phenylcarbonyloxy-8-azabicyclo[3.2.1]octane-2-carboxylate
methyl (1R,2R,3R,5S)-3-(benzoyloxy)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate