英文别名3(2H)-Pyridazinone, 4,5-Dichloro-2-(Tetrahydro-2H-Pyran-2-Yl); 5-dichloro-2-(tetrahydropyran-2-yl)-2H-pyridazin-3-one; 4,5-Dichloro-2-(2-tetrahydropyranyl)pyridazin-3(2H)-one; 4,5-Dichloro-2-(oxan-2-yl)pyridazin-3-one; 4,5-Dichloro-2-(tetrahydro-2H-pyran-2-yl)pyridazin-3(2H)-one; 4,5-dichloro-2-tetrahydropyran-2-yl-pyridazin-3-one; 4,5-dichloro-2-(tetrahydropyran-2-yl)-2H-pyridazin-3-one; 2-(tetrahydropyran-2-yl)-4,5-dichloropyridazin-3-one; 2-tetrahydropyranyl-4,5-dichloropyridazin-3-one 
