Synonyms: | 2,7-Naphthalenedisulfonicacid,3-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-4,5-dihydroxy-6-[(4-nitrophenyl)azo]-(9CI); 2,7-Naphthalenedisulfonic acid,3-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-4,5-dihydroxy-6-[(p-nitrophenyl)azo]-(8CI); Sulfochlorophenol N |