85006-14-0 EINECS 285-043-5 Tetrasodium 1-(1,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-4H-pyrazol-4-ylidene)-3-(3-methyl-5-oxido-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)-1H-indene-2-carboxylate