3(2H)-Pyridazinone, 6-(3,5-dicyclopropyl-1H-pyrazol-1-yl)-, hydrazone 3-Hydrazino-6-(3,5-dicyclopropyl-1-pyrazolyl)pyridazine 5-25-17-00458 (Beilstein Handbook Reference) 6-(3,5-Dicyclopropyl-1H-pyrazol-1-yl)-3(2H)-pyridazinone hydrazone 70589-05-8 BRN 0825660