1-Naphthol-3-sulfonicacid, 7-amino-8-(4-chloro-a,a,a-trifluoro-o-tolylazo)- (6CI); 2-Naphthalenesulfonicacid, 6-amino-5-[(4-chloro-a,a,a-trifluoro-o-tolyl)azo]-4-hydroxy- (8CI);2-Naphthalenesulfonic acid,6-amino-5-[[4-chloro-2-(trifluoromethyl)phenyl]azo]-4-hydroxy- (9CI)
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