You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 9-[(2,4-ditert-butylphenyl)methoxy]-3-(1-phenylethoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane by IUPAC nomenclature, provide its molecular formula.
user
C28H40O6P2
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