3-碘-4-甲氧基苯甲酸甲酯

3-环己烯-1-羧酸甲酯

methyl (1R,2S,4S,7R)-3,8-dioxatricyclo[5.1.0.0^2,4]octane-5-carboxylate

methyl (1β,6β)-2β-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-4-carboxylate

methyl (1β,5α,6β)-5-[[1-(methoxycarbonyl)ethenyl]oxy]-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate