3-氧代环己烯-1-羧酸甲酯

3-(苄氧基)苯甲酸甲酯

(+)-Methyl (3β,5β)-3-hydroxy-5-(phenylseleno)-1-cyclohexene-1-carboxylate

甲基碘

(-)-methyl (1β,2α,6β)-2-hydroxy-7-oxabicyclo[4,1,0]hept-3-ene-4-carboxylate