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What is the molecular formula of the compound with this IUPAC name 3-[3-[(5,6-dihydroxy-2-oxo-1,3,7,7a-tetrahydropyrrolo[2,3-d]pyrimidin-4-yl)-methylamino]-4-hydroxy-4-methylpiperidin-1-yl]-2,2-dihydroxy-3-oxopropanenitrile ?
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C16H22N6O7
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