(1R,4S)-4-((tert-butoxycarbonyl)amino)-cyclohex-2-en-1-yl benzoate

(1S,2R,6S)-4-iodo-5-oxo-7-oxabicyclo[4.1.0]hept-3-en-2-yl acetate

(+)-(R)-4-hydroxycyclohex-2-enone

(1S,2S)-2-Hydroxy-1-phenylselanyl-cyclohex-3-enecarboxylic acid methyl ester

((3S,4R,7S,7R)-7-hydroxy-2,2-dimethylhexahydrobenzo[1,3]dioxol-4-yl)carbamic acid tert-butyl ester