34175-08-1

tartrazine acid 5-Oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-2-pyrazoline-3-carboxylic acid 4-(4-Sulfophenylazo)-1-(4-sulfophenyl)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid 4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid 5-oxo-1-(4-sulfo-phenyl)-4-(4-sulfo-phenylhydrazono)-4,5-dihydro-1H-pyrazole-3-carboxylic acid 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-