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What is the molecular formula of the compound with this IUPAC name (3S,4S)-3-acetyl-6-methyl-N,1-bis(4-methylphenyl)-4-(3-nitrophenyl)-2-oxo-3,4-dihydro-1H-pyridin-1-ium-5-carboximidate ?
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C29H27N3O5
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