Chromium, 3-[[[5-[2-(2-chloro-4-nitrophenyl)diazenyl]-2-hydroxyphenyl]methylene]amino]-4-hydroxybenzenesulfonamide 2-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-5-sulfobenzoate lithium sodium complexes