Synonyms: 1,5-Naphthalenedisulfonicacid,3-[[4-[[4-chloro-6-[N-(sulfomethyl)anilino]-s-triazin-2-yl]amino]-5-methoxy-o-tolyl]azo]-,trisodium salt (8CI); 1,5-Naphthalenedisulfonic acid,3-[[4-[[4-chloro-6-[phenyl(sulfomethyl)amino]-1,3,5-triazin-2-yl]amino]-5-methoxy-2-methylphenyl]azo]-,trisodium salt (9CI)