C.I. 14940;C.I. Acid Red 22, disodium salt;2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-((2-methoxy-5-methylphenyl)azo)-, disodium salt;disodium (3Z)-3-[(2-methoxy-5-methylphenyl)hydrazono]-4-oxo-3,4-dihydronaphthalene-2,6-disulfonate
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