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What is the molecular formula of the compound with this IUPAC name (4R,12aR)-7-amino-4-(dimethylamino)-1,10,11,12a-tetrahydroxy-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide ?
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C21H23N3O7
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