Hometert-Butyl 9-hydroxy-7-(2,2,2-trifluoroacetyl)-3,7-diaza-bicyclo[3.3.1]nonane-3-carboxylatetert-Butyl 9-hydroxy-7-(2,2,2-trifluoroacetyl)-3,7-diaza-bicyclo[3.3.1]nonane-3-carboxylate
