Synonyms: | 2,7-Naphthalenedisulfonicacid,3-[(4-chloro-2-phosphonophenyl)azo]-6-[(2,6-dibromo-4-chlorophenyl)azo]-4,5-dihydroxy-(9CI);2-(4'-Chloro-2'-phosphonophenylazo)-7-(2',6'-dibromo-4'-chlorophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonicacid; Chlorophosphonazo-DBC; DBC-chlorophosphonazo |