3737796 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737796 > 2 > ChemIDplus > 030053431 > 30053-43-1 35646-70-9 Copper, (dihydrogen 4-((2-hydroxy-5-((2-hydroxyethyl)sulfonyl)phenyl)azo)-5-oxo-1-(p-sulfophenyl)-2-pyrazoline-3-carboxylato(2-))-, mono(hydrogen sulfate) (ester) > 30053-43-1 35646-70-9 > 030053431 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=030053431 $$$$