You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [(1R,3R,4S)-3',3',4-trimethylspiro[2,6-dioxabicyclo[3.2.0]heptane-7,2'-oxirane]-3-yl]methanol;yttrium by IUPAC nomenclature, provide its molecular formula.
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C10H16O4Y
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