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What is the molecular formula of the compound with this IUPAC name calcium;3-chloro-5-[[3-[(3-ethoxyphenyl)carbamoyl]-2-hydroxynaphthalen-1-yl]diazenyl]-4-methylbenzenesulfonic acid;4-[(3-chloro-2-methyl-5-sulfophenyl)diazenyl]-N-(3-ethoxyphenyl)-3-oxidonaphthalene-2-carboximidate ?
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C52H42CaCl2N6O12S2
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