1-Naphthol-3,6-disulfonicacid,8-[5-(4-anilino-3-sulfophenylazo)-2,4-dihydroxyphenylazo]-2-(p-nitrophenylazo)-(5CI); 2,7-Naphthalenedisulfonic acid,5-[[2,4-dihydroxy-5-[[4-(phenylamino)-3-sulfophenyl]azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-(9CI)
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