英文同义词: | O2-tert-butyl O3-ethyl (1S,3S,4S)-5-oxo-2-azabicyclo[2.2.2]octane-2,3-dicarboxylate;2-Azabicyclo[2.2.2]octane-2,3-dicarboxylic acid, 5-oxo-, 2-(1,1-dimethylethyl) 3-ethyl ester, (1S,3S,4S)-;Ethyl (1S,3S,4S)-2-Boc-5-oxo-2-azabicyclo[2.2.2]octane-3-carboxylate |