1,3-Naphthalenedisulfonic acid, 7-((4-amino-5-methoxy-2-methylphenyl)azo)-, lithium sodium salt 7-((4-Amino-5-methoxy-2-methylphenyl)azo)-1,3-naphthalenedisulfonicacid, sodium, lithium salt 7-((4-Amino-5-methoxy-o-tolyl)azo)naphthalene-1,3-disulphonic acid, lithium sodium salt 75198-79-7 EINECS 278-099-7