3840939 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3840939 > 2 > ChemIDplus > UQ9235100 > NIOSH/UQ9235100 > 3,4-Dimethyl-1-(4-pyridyl)-3-pyrazolin-5-one 3-Pyrazolin-5-one, 3,4-dimethyl-1-(4-pyridyl)- UQ9235100 > UQ9235100 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=UQ9235100 $$$$