Einecs 285-013-1

Calcium 4,4'-bis((4,5-dihydro-3-methyl-5-oxo-1-p-tolyl-1H-pyrazol-4-yl)azo)(1,1'-biphenyl)-2,2'-disulphonate

calcium 4,4'-bis[[4,5-dihydro-3-methyl-5-oxo-1-p-tolyl-1H-pyrazol-4-yl]azo][1,1'-biphenyl]-2,2'-disulphonate