[M-[7-[[4-氯-6-[[6-[(3-氯-2-羟基-5-磺苯基)偶氮]-5-羟基-7-磺基-2-萘基]氨基]-1,3,5-三嗪-2-基]氨基]-4-羟基-3-[(2-羟基-5-磺苯基)偶氮]-2-萘磺酰]]二铜酸四钠
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