(1R,4S,5S,6S)-4,5-di(benzoyloxy)-6-hydroxy-2-iodo-2-cyclohexenyl 4-nitrobenzoate

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