4003-65-0

4-(4,5-dichloro-6-oxo-pyridazin-1-yl)benzenesulfonyl chloride 4-(4,5-Dichloro-6-oxopyridazin-1(6H)-yl)benzene-1-sulfonyl chloride Benzenesulfonyl chloride, 4-(4,5-dichloro-6-oxo-1(6H)-pyridazinyl)- 4-(4,5-dichloro-6-oxo-1,6-dihydropyridazine-1-yl)benzene-1-sulfonyl chloride