3833460 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3833460 > 2 > ChemIDplus > NS1245580 > NIOSH/NS1245580 > 4-o-Chlorophenyl-2-oxo-3-butenoic acid isonicotinyl hydrazone Isonicotinic acid, 2-(1-carboxy-3-(o-chlorophenyl)allylidene)hydrazide NS1245580 > NS1245580 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=NS1245580 $$$$