3(2H)-Pyridazinone, 6-(3,5-dichloro-4-methylphenyl)- 5-24-03-00469 (Beilstein Handbook Reference) 6-(3,5-Dichloro-4-methylphenyl)-3(2H)-pyridazinone 62865-36-5 BRN 0884391 Diclomezine F-850 Monguard SF-7531