1,4-Benzenedisulfonic acid, 2-((4-((4-(((2,3-dichloro-6-quinoxalinyl)carbonyl)amino)-5-sulfo-1-naphthalenyl)azo)-7-sulfo-1-naphthalenyl)azo)-, lithium sodium salt 2-((4-((4-(((2,3-Dichloro-6-quinoxalinyl)carbonyl)amino)-5-sulpho-1-naphthyl)azo)-7-sulpho-1-naphthyl)azo)benzene-1,4-disulphonic acid, lithium sodium salt 83399-85-3 EINECS 280-398-2