| Synonyms |
5-chloro-2-hydroxy-3-[2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazino]benzenesulfonic acid; 5-chloro-2-hydroxy-3-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazino]benzenesulfonic acid; 5-chloro-3-[(E)-(2,4-dihydroxyphenyl)diazenyl]-2-hydroxybenzenesulfonic acid |