2-(1-adamantyl)-4,5-dichloropyridazin-3-one 2-(1-adamantyl)-4,5-dichloro-pyridazin-3-one 2-(1-adamantyl)-4,5-dichloro-3-pyridazinone A2493/0106036 ChemDiv3_008809 IDI1_026719 Pyridazin-3(2H)-one, 4,5-dichloro-2-(1-adamantyl)- Oprea1_856810 ZINC04558064