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

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