3809417 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3809417 > 2 > ChemIDplus > 111636318 > 111636-31-8 Benzenesulfonic acid, 3,3'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)))bis-, calcium salt (1:1) > 111636-31-8 > 111636318 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=111636318 $$$$