Synonyms: | Benzoicacid, 2-[[1,8-dihydroxy-7-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-3,6-disulfo-2-naphthalenyl]azo]-(9CI); Benzoic acid,o-[[1,8-dihydroxy-7-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-3,6-disulfo-2-naphthyl]azo]-(8CI); Nitrosulfophenol K; Sulfonitrophenol K |