3811338 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3811338 > 2 > ChemIDplus > 124822873 > 124822-87-3 2,7-Naphthalenedisulfonic acid, 4-amino-6-((2,5-dimethoxy-4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-5-hydroxy-3-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, sodium salt > 124822-87-3 > 124822873 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=124822873 $$$$