2-Naphthalenesulfonic acid, 7,7'-[(2-methyl-1,5-pentanediyl)bis[imino(6-fluoro-1,3,5-triazine-4,2-diyl)imino]]bis[4-hydroxy-3-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, lithium potassium sodium salt (1:?:?:?)