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What is the molecular formula of the compound with this IUPAC name (4S,5S)-4-(6,7-dimethoxy-1,3-benzodioxol-5-yl)-5-nitro-1-propan-2-yl-2,4,5,7-tetrahydropyrazolo[3,4-b]pyridine-3,6-dione ?
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C18H20N4O8
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