(1R,4S,5R,6S)-4,5-di(benzoyloxy)-6-[{1-(tert-butyl)-1,1-dimethylsilyl}-oxy]-2-iodo-2-cyclohexenyl 4-nitrobenzoate

(3aS,4R,5S,7aS)-7-iodo-2,2-dimethyl-3a,4,5,7a-tetrahydro-1,3-benzodioxole-4,5-diol

(3aS,7aS)-4-iodo-2,2-dimethyl-3a,7a-dihydro-1,3-benzodioxole

(3aS,4S,5S,7aS)-4-hydroxy-7-iodo-2,2-dimethyl-3a,4,5,7a-tetrahydro-1,3-benzodioxol-5-yl 4-nitrobenzoate

(1S,4S,5R,6S)-6-benzoyloxy-4,5-dihydroxy-3-iodo-2-cyclohexenyl benzoate