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What is the molecular formula of the compound with this IUPAC name 2-[5,6-ditert-butyl-3-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)-2-bicyclo[2.2.1]heptanyl]-1,1,1,3,3,3-hexafluoropropan-2-ol ?
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C21H28F12O2
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