4-[[2-氨基-4-羥基-5-[(2-羥基-3,5-二硝基苯基)偶氮]-3-[(4-硝基苯基)偶氮]苯基]偶氮]-5-羥基萘-2,7-二磺基酸 3,3,6,7-tetramethylindan-5-ol

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