3770454 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3770454 > 2 > ChemIDplus > 077847155 > 77847-15-5 Benzenesulfonic acid, 4-(benzoylamino)-2-((1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-, monosodium salt > 77847-15-5 > 077847155 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=077847155 $$$$