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What is the molecular formula of the molecule identified by 3-O-[4-[2,4-bis(ethoxycarbonyl)-2-(2-ethoxycarbonylprop-2-enyl)pent-4-enoyl]oxyphenyl] 1-O,3-O,5-O-triethyl hepta-1,6-diene-1,3,3,5-tetracarboxylate ?
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C40H50O16
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