(3aR,4R,7R,7aS)-4,7-diacetoxy-2,2-dimethylhexahydrobenzo[d][1,3]dioxole-5-carboxylic acid

(+/-)-4c,7c-diacetoxy-2,2-dimethyl-(3ar,7ac)-hexahydro-benzo[1,3]dioxole-5t-carboxylic acid methyl ester

(1S,2R,6R)-6-hydroxy-4-(methoxycarbonyl)cyclohex-3-ene-1,2-diyl diacetate

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