3833500 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3833500 > 2 > ChemIDplus > NS1979300 > NIOSH/NS1979300 > 1-(2-Methyl-isonicotinyl)-2-(4-carboxy-butyliden-(2))-hydrazin [German] 2-Methylisonicotinic acid (3-carboxy-1-methylpropylidene)hydrazide Isonicotinic acid, 2-methyl-, (3-carboxy-1-methylpropylidene)hydrazide NS1979300 > NS1979300 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=NS1979300 $$$$