Synonyms:
einecs 281-409-3 ; 4,5-dihydro-1-(2-methyl-4-sulphophenyl)-5-oxo-1h-pyrazole-3-carboxylic acid, sodium salt ; 1h-pyrazole-3-carboxylicacid, 4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-, sodium salt (1:?) ; 1h-pyrazole-3-carboxylicacid, 4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-, sodium salt (9ci)