2,3-Dimethyl-1-(m-(difluoromethylthio)phenyl)-3-pyrazolin-5-one 3-Pyrazolin-5-one, 2,3-dimethyl-1-(m-(difluoromethylthio)phenyl)- 5-24-01-00338 (Beilstein Handbook Reference) 62128-96-5 BRN 0670129