Synonyms: SumilightSupra Red Violet RL; C.I. 25410; DirectFast Red Violet 2KM;Solar Rubinole 3LB;Cuprate(4-), [m-[[5,5'-[carbonylbis[imino[2-(hydroxy-kO)-5-sulfo-4,1-phenylene]-2,1-diazenediyl-kN1]]bis[6-(hydroxy-kO)-2-naphthalenesulfonato]](8-)]]di-,ammonium (1:4); Cuprofix Rubinol FBL; 2-Naphthalenesulfonic acid, 5,5'-[carbonylbis[imino(2-hydroxy-5-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-,copper complex; C.I. Direct Violet 47; Fastusol Red Violet LRLA;tetraazanium; Wogenal Red Violet CR; Cuprate(4-), [m-[[5,5'-[carbonylbis[imino(2-hydroxy-5-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-2-naphthalenesulfonato]](8-)]]di-,tetraammonium; Sirius Supra Red Violet RL;6-oxido-5-[[2-oxido-4-[[5-oxido-4-[(2-oxido-6- sulfonatonaphthalen-1-yl)diazenyl]-2-sulfonatophenyl]carbamoylamino]-5- sulfonatophenyl]diazenyl]naphthalene-2-sulfonate; Cuprate(4-), [m-[[5,5'-[carbonylbis[imino[2-(hydroxy-kO)-5-sulfo-4,1-phenylene]azo-kN1]]bis[6-(hydroxy-kO)-2-naphthalenesulfonato]](8-)]]di-,tetraammonium (9CI);dicopper;Fenaluz Red Violet RL; Solophenyl Violet BRL; Solophenyl Rubine 3BL; Sirius Supra Red Violet; Pyrazol Fast Rubine FBL; Solamine Fast Red Violet RL; Direct Lightfast Red Violet 2KM;Copper,[tetrahydrogen5,5'-[ureylenebis[(2-hydroxy-5-sulfo-p-phenylene)azo]bis[6-hydroxy-2-naphthalenesulfonato(2-)]]]di-,tetraammonium salt (8CI); SiriusSupra Red Violet R-LL;