3841168 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3841168 > 2 > ChemIDplus > US5637000 > NIOSH/US5637000 > 4-Pyridinecarboxylic acid, (2-(carboxymethoxy)-3-methoxybenzylidene)hydrazide Isonicotinic acid, ((carboxymethoxy)-3-methoxybenzylidene)hydrazide US5637000 > US5637000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=US5637000 $$$$