4,5-Dichloro-2-methyl-3(2H)-pyridazinone933-76-6100 % similar 4,5-Dichloro-2-phenyl-3(2H)-pyridazinone1698-53-951 % similar Chloridazon1698-60-832 % similar 3,4,5-Trichloropyridazine14161-11-631 % similar 3-Bromo-4,5-dichloropyridine1001056-83-231 % similar 7-Bromo-1-methyl-1H-indazole1000576-59-930 % similar