Acetic acid (1R,2S,4R,5S,6R)-5-benzoyl-2-cyano-6-hydroxy-7-oxa-bicyclo[2.2.1]hept-2-yl ester

(1S,2R,5R,6R,7S)-4,5-Diphenyl-3,10-dioxa-4-aza-tricyclo[5.2.1.02,6]decan-8-one

rac-(E)-1-((1R,2R,3S,4R)-3-hydroxy-6-oxo-7-oxabicyclo[2.2.1]heptan-2-yl)-N,1-diphenylmethanimine oxide

rac-(E)-1-((1R,2S,3R,4R,5S)-5-acetoxy-5-cyano-3-hydroxy-7-oxabicyclo[2.2.1]heptan-2-yl)-N,1-diphenylmethanimine oxide

rac-(E)-1-((1R,2R,3S,4R,6S)-6-acetoxy-6-cyano-3-hydroxy-7-oxabicyclo[2.2.1]heptan-2-yl)-N,1-diphenylmethanimine oxide