Synonyms: Benzenesulfonic acid, 4-(2-(5-amino-1-(4-chlorophenyl)-3-methyl-1H-pyrazol-4-yl)diazenyl)-2,5-dichloro-, compd. with 2,2'-iminobis(ethanol) (1:1);4-((5-Amino-1-(p-chlorophenyl)-3-methylpyrazol-4-yl)azo)-2,5-dichlorobenzenesulfonic acid, diethanolamine salt;4-((5-Amino-1-(4-chlorophenyl)-3-methyl-1H-pyrazol-4-yl)azo)-2,5-dichlorobenzenesulphonic acid, compound with 2,2'-iminodiethanol (1:1);Benzenesulfonic acid, 4-((5-amino-1-(4-chlorophenyl)-3-methyl-1H-pyrazol-4-yl)azo)-2,5-dichloro-, compd. with 2,2'-iminobis(ethanol) (1:1);2,5-dichloro-4-{(2E)-2-[(5E)-1-(4-chlorophenyl)-5-imino-3-methyl-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazinyl}benzenesulfonic acid - 2,2'-iminodiethanol (1:1)