2-Naphthalenesulfonicacid, 8-amino-5-[(4-aminophenyl)azo]- (9CI);2-Naphthalenesulfonic acid,8-amino-5-[(p-aminophenyl)azo]- (8CI);8-Amino-5-[(p-aminophenyl)azo]-2-naphthalenesulfonic acid;8-Amino-5-((p-aminophenyl)azo)naphthalene-2-sulphonic acid;8-Amino-5-[(4-aminophenyl)diazenyl]naphthalene-2-sulfonic acid;
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