Acetic acid (Z)-(S)-4,5-dihydroxy-pent-2-enyl ester

(1S,2R,4'S)-N-(Benzyloxycarbonyl)-2-(2,2-dimethyl-1,3-dioxolan-4-yl)cyclopropylamine

methyl 3-((4S,4'R,5R)-2,2,2',2'-tetramethyl-[4,4'-bi(1,3-dioxolan)]-5-yl)acrylate

ethyl 2-acetoxy-6-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-(1S,2R,6R)-3-cyclohexene-1-carboxylate

ethyl 2-acetoxy-6-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-(1S,2S,6R)-3-cyclohexene-1-carboxylate