1-Naphthalenesulfonicacid, 6-[(4-aminophenyl)azo]-5-hydroxy-, monosodium salt (9CI);C.I. Acid Brown4 (7CI);C.I. Acid Brown 4, monosodium salt (8CI);Acid Brown 4;Acilan BrownR;C.I. 14805;Multacid Brown R;Neptune Brown RX;Solar Brown RKX;
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