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(1S,3R,5S)-2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid: BD7571181417743-41-997%; ￥5879.001g

tert-Butyl (1S,6S)-7-oxo-8-oxa-3-azabicyclo[4.2.0]octane-3-carboxylate: BD015729632271349-27-898%; ￥5999.001g

(1R,6R)-8-Oxa-3-azabicyclo[4.2.0]octan-7-one 2,2,2-trifluoroacetate: BD01618832N/A95%; ￥15000.001g

8-Oxa-3-azabicyclo[4.2.0]octan-7-one 2,2,2-trifluoroacetate: BD01625499N/A95%; ￥15000.001g

tert-Butyl 7-oxo-8-oxa-3-azabicyclo[4.2.0]octane-3-carboxylate: BD01621315N/A95%; ￥15000.001g

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