Once the desired isomers are separated, perform the final deprotection steps to obtain the target O-antigen structures.
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4-methoxybenzyl 2,3-O-isopropylidene-4-O-<3,4,6-tri-O-benzoyl-2-(benzoyloxyimino)-2-deoxy-β-D-arabino-hexopyranosyl>-α-L-rhamnopyranoside
