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What is the molecular formula of the molecule tetrasodium;3-[[4-[[4-[(6-amino-1-hydroxy-3-methylnaphthalen-2-yl)diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate ?
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C41H26N7Na4O10S3+
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