3841663 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3841663 > 2 > ChemIDplus > UX9372200 > NIOSH/UX9372200 > 3,5-Dimethyl-4-(5-oxo-3-pyrazolin-3-yl)-2-pyrrolecarboxylic acid ethyl ester 3-(2,4-Dimethyl-5-carboethoxypyrrolyl-3)-pyrazolone-5 Pyrrole-2-carboxylic acid, 3,5-dimethyl-4-(5-oxo-3-pyrazolin-3-yl)-, ethyl ester UX9372200 > UX9372200 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=UX9372200 $$$$