2-甲基-2-丙基[(1R,5S,6R)-3-氮杂双环[3.1.0]己-6-基甲基]氨基甲酸酯

benzyl (1S,5R)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane-3-carboxylate

(1R,5S)-3-phenylmethoxycarbonyl-3-azabicyclo[3.1.0]hexane-6-carboxylic acid

(1α,5α,6α)-6-tert-butoxycarbonylamino-3-aza-bicyclo[3.1.0]hexane-3-carboxylic acid benzyl ester