4-(acetylamino)-6-[[3-[[[2-[4-(hexadecyloxy)phenyl]-1H-indol-3-yl]amino]sulphonyl]-4-methoxyphenyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid;4-Acetylamino-6-[[3-[[[2-[4-(hexadecyloxy)phenyl]-1H-indol-3-yl]amino]sulfonyl]-4-methoxyphenyl]azo]-5-hydroxy-1,7-naphthalenedisulfonic acid
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