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What is the molecular formula of the molecule [(2R,3aR,7aS)-2-methyl-2-(phenoxymethyl)-3,3a,4,6,7,7a-hexahydrofuro[3,2-c]pyridin-5-yl]-(1-methylimidazol-4-yl)methanone ?
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C20H25N3O3
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