(1S,3R,5S)-2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid
tert-Butyl (1S,6S)-7-oxo-8-oxa-3-azabicyclo[4.2.0]octane-3-carboxylate
(1R,6R)-8-Oxa-3-azabicyclo[4.2.0]octan-7-one 2,2,2-trifluoroacetate
8-Oxa-3-azabicyclo[4.2.0]octan-7-one 2,2,2-trifluoroacetate
tert-Butyl 7-oxo-8-oxa-3-azabicyclo[4.2.0]octane-3-carboxylate
