2-(2'-(4-Chlorobenzoyloxy)ethyl)-6-(4-chlorophenoxy)-3-pyridazinone 2-(3-(4-Chlorophenoxy)-6-oxo-1(6H)-pyridazinyl)ethyl 4-chlorobenzoate 69024-96-0 Benzoic acid, 4-chloro-, 2-(3-(4-chlorophenoxy)-6-oxo-1(6H)-pyridazinyl)ethyl ester