You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[(2R,3S,4R,5R)-2,4,5,6-tetrahydroxy-1-oxohexan-3-yl]oxypropanoic acid is given. What is its corresponding molecular formula?
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C9H16O8
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