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system
Provide the molecular formula for the IUPAC named substance [(4S)-5-ethoxycarbonyl-4-(4-methoxyphenyl)-2-oxo-3,4-dihydro-1H-pyrimidin-6-yl]methyl imidazo[1,2-a]pyridine-2-carboxylate .
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C23H22N4O6
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