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What is the molecular formula of the molecule identified by 1,1,1,2,2,3,3,4,4,5,5,6,6,8,8,9,9,9-octadecafluoro-7-[1,1,1,3,3,3-hexafluoro-2-[1,1,1,4,4,5,5,6,6,7,7,8,8,9,9,9-hexadecafluoro-3,3-bis(1,1,2,2,2-pentafluoroethyl)-2-(trifluoromethyl)nonan-2-yl]oxypropan-2-yl]-7-(1,1,2,2,2-pentafluoroethyl)nonane ?
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C28F58O
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