3-tert-butyl 2-methyl (1R,2S,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2,3-dicarboxylate

((1R,2S,5S)-3-benzyl-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-2-yl)methanol

(1S,2S,4S,7R)-6-aza-3,3-dimethyl-8-oxa-7-phenyltricyclo<4.3.0.0>nonan-5-one

3-苯基-3,7A-二氢-1H-吡咯并[1,5-c]恶唑-5-酮

(+)-(3R,7aS)-四氢-3-苯基-3H,5H-吡咯并[1,2-c]噁唑-5-酮