Synonyms: 2-Naphthalenesulfonic acid, 6-amino-5-(2-(4'-(((decyloxy)carbonyl)amino)-2,2'-dimethyl-5-sulfo(1,1'-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:2);2-Naphthalenesulfonic acid, 6-amino-5-((4'-(((decyloxy)carbonyl)amino)-2,2'-dimethyl-5-sulfo(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, disodium salt;Carbamic acid, (4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)-2,2'-dimethyl-5'-sulfo(1,1'-biphenyl)-4-yl)-, C-decyl ester, disodium salt;Disodium C-decyl (4'-((2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo)-2,2'-dimethyl-5'-sulphonato(1,1'-biphenyl)-4-yl)carbamate;disodium 4'-{[(decyloxy)carbonyl]amino}-4-{2-[(2E)-2-imino-8-oxo-6-sulfonato-2,8-dihydronaphthalen-1-yl]hydrazino}-2',6-dimethylbiphenyl-3-sulfonate