2-Azabicyclo[3.1.0]hexane-2-carboxylic acid, 3-(aminocarbonyl)-, 1,1-dimethylethyl ester, (1S,3S,5S)-
1,1-Dimethylethyl (1S,3S,5S)-3-(aminocarbonyl)-2-azabicyclo[3.1.0]hexane-2-carboxylate
tert-Butyl (1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexane-2-carboxylate