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What is the molecular formula of the compound with this IUPAC name (5R)-3-[[(4R)-4-ethyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]methyl]-5-(3-methoxyphenyl)-5-methylimidazolidine-2,4-dione ?
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C21H25N3O3S
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