Acetic acid (3aS,4R,7aR)-6-formyl-2,2-dimethyl-3a,4,5,7a-tetrahydro-benzo[1,3]dioxol-4-yl ester

(3R,4R,5R)-3,4-Diacetoxy-5-(tert-butyl-dimethyl-silanyloxy)-cyclohex-1-enecarboxylic acid methyl ester

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

methyl (1S,5R,6S)-5-(hexanoyloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate

(3R,4R,5R)-3-Acetoxy-5-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-cyclohex-1-enecarboxylic acid methyl ester