4-(4-((5-(Anilinosulphonyl)-o-tolyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-2,5-dichlorobenzenesulphonic acid
4-[4-[[5-(anilinosulphonyl)-o-tolyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-2,5-dichlorobenzenesulphonic acid
CAS: 85721-15-9
Molecular Formula: C23H19Cl2N5O6S2