sodium (E)-5-oxo-1-(4-sulfonatophenyl)-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate; 1-(4-SULFOPHENYL)-3-CARBOXY-4-(4- SULFOPHENYL)AZO-5-PYRAZOLONE, TRISODIUM SALT; 1310 Yellow; 1409 Yellow; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(sulfophenyl)azo]-, trisodium salt; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3); 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt; 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylic acid, trisodium salt; 5-hidroxi-1-(4-sulfofenil)-4-(4-sulfofenilazo)pirazol-3-carboxilato de trisodio; 5-Hydroxy-1-(4-sulfophenyl)-4-(4-sulfophenylazo)pyrazole-3-carboxylate de trisodium; 5-Hydroxy-1-p-sulfophenyl-4-(p-sulfophenylazo)pyrazole-3-carboxylic acid, trisodium salt
