C.I. Direct Brown 154, disodium salt DIRECTBROWN154 CIDIRECTBROWN154 5-[[4'-[[2,6-Diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methylbenzoic acid disodium salt 5-[[4'-[[2,6-Diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxy-3-methylbenzoic acid disodium salt C.I.30120 Benzoic acid, 5-((4'-((2,6-diamino-3-methyl-5-((4-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt Benzoic acid, 5-(2-(4'-(2-(2,6-diamino-3-methyl-5-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)(1,1'-biphenyl)-4-yl)diazenyl)-2-hydroxy-3-methyl-, sodium salt (1:2)