1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-hydroxy-, monolithium monosodium salt 3,3'-((3,3'-Dimethoxy-4,4'-biphenylylene)bis(azo))bis(4-hydroxy-1-naphthalenesulfonic acid), lithium sodium salt (1:1:1) 75673-35-7