Synonyms: 7-((4-((6-Amino-1-hydroxy-3-sulpho-2-naphthyl)azo)-5-methoxy-o-tolyl)azo)naphthalene-1,3-disulphonic acid, lithium salt, compound with 2,2',2''-nitrilotriethanol;lithium 7-[(E)-{4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-5-methoxy-2-methylphenyl}diazenyl]naphthalene-1,3-disulfonate 2,2',2''-nitrilotriethanol (3:1:1)