英文别名2-Azabicyclo[3.1.0]hexane-2,3-dicarboxylic acid, 2-(1,1-dimethylethyl) 3-ethyl ester, (1S,3S,5S)-; (1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-2,3-dicarboxylic Acid 2-(1,1-Dimethylethyl) 3-ethyl Ester; 2-tert-butyl 3-ethyl (1S,3S,5S)-2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate; ethyl (1s,3s,5s)-2-boc-2-azabicyclo[3.1.0]hexane-3-carboxylate; Saxagliptin Impurity 49; O2-tert-butyl O3-ethyl (1S,3S,5S)-2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate; Ethyl (1S,3S,5S)-N-Boc-2-azabicyclo[3.1.0]hexane-3-carboxylate; 2-O-tert-butyl 3-O-ethyl (3S)-2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate; (1S,3S,5S)-2-aza-bicyclo[3.1.0]hexane-2,3-dicarboxylic acid 2-tert-butyl ester 3-ethyl ester; (s)-BOC-4,5-methanoproline ethyl ester; N-Boc-L-cis-4,5-methanoproline ethyl ester 
