1677-79-8

4-Chloro-3-pyridazone 4-CHLOROPYRIDAZIN-3-OL 4-Chloropyridazin-3-one 4-CHLORO-3(2H)-PYRIDAZINONE 5-chloro-1H-pyridazin-6-one 4-Chloropyridazin-3(2H)-one 4-Chloro-2H-pyridazin-3-one 3(2H)-Pyridazinone,4-chloro-( 4-chloro-2,3-dihydropyridazin-3-one 4-CHLORO-3(2H)-PYRIDAZINONE ISO 9001：2015 REACH