Einecs 279-220-6

4,4'-Bis((4,5-dihydro-3-methyl-1-(4-methylphenyl)-5-oxo-1H-pyrazol-4-yl)azo)(1,1'-biphenyl)-2,2'-disulphonic acid

4,4'-Bis[[[4,5-dihydro-3-methyl-1-(4-methylphenyl)-5-oxo-1H-pyrazol]-4-yl]azo]-1,1'-biphenyl-2,2'-disulfonic acid

4,4'-bis[[4,5-dihydro-3-methyl-1-(4-methylphenyl)-5-oxo-1H-pyrazol-4-yl]azo][1,1'-biphenyl]-2,2'-disulphonic acid