3768781 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3768781 > 2 > ChemIDplus > 074398688 > 74398-68-8 Benzenesulfonic acid, 2,5-bis((4-((3-methyl-5-oxo-1-(4-sulfophenyl)-4-pyrazolidinyl)azo)benzoyl)amino)-, trisodium salt Benzenesulfonic acid, 2,5-bis((4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)benzoyl)amino)-, trisodium salt > 74398-68-8 > 074398688 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=074398688 $$$$