(3R,4S)-2-Oxo-1,4-diphenyl-azetidine-3-carboxylic acid

(1R,2R,5R,6R,7R)-4,5-Diphenyl-3,10-dioxa-4-aza-tricyclo[5.2.1.02,6]decan-9-one

(S,E)-N-((2,3-diphenylisoxazolidin-4-ylidene)methyl)-N-(4-fluorobenzyl)-4-methylbenzenesulfonamide

(S,E)-N-((2,3-diphenylisoxazolidin-4-ylidene)methyl)-4-methyl-N-phenylbenzenesulfonamide

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