3(2H)-Pyridazinone, 6-(dimethylamino)-2-phenyl- 32929-22-9 4-25-00-03630 (Beilstein Handbook Reference) 6-(Dimethylamino)-2-phenyl-3(2H)pyridazinone 6-(Dimethylamino)-2-phenyl-3-pyridazone BRN 0168662