3823683 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3823683 > 2 > ChemIDplus > CD2780000 > NIOSH/CD2780000 > 1-Phenyl-2,3-dimethyl-4-isoamyl-5-pyrazolon 4-Isopentylantipyrine Antipyrine, 4-isopentyl- CD2780000 > CD2780000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=CD2780000 $$$$