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What is the molecular formula of the compound with this IUPAC name (2'R,3'aR,4S,7'S,7'aR)-7'-[(4-methoxyphenyl)methoxy]-2,2-dimethyl-2'-[(1R,2R)-2-phenylcyclopropyl]spiro[1,3-dioxolane-4,6'-3a,4,7,7a-tetrahydro-[1,3]dioxolo[4,5-c]pyran] ?
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C27H32O7
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