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What is the molecular formula of the compound with this IUPAC name prop-2-enyl (4S)-4-[4-(difluoromethoxy)-3,5-dimethylphenyl]-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate ?
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C18H20F2N2O3S
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