3738257 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3738257 > 2 > ChemIDplus > 031765954 > 31765-95-4 EINECS 250-792-9 Tetrasodium (mu-((3,3'-(azoxybis((2-hydroxy-p-phenylene)azo))bis(4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonato))(8-)))dicuprate(4-) > 31765-95-4 > 031765954 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=031765954 $$$$