13386-09-9 2,3-Dihydro-3-oxo-6-pyridazinyl 3,4-dichlorobenzoate 3,4-Dichlorobenzoic acid 2,3-dihydro-3-oxo-6-pyridazinyl ester 5-25-01-00057 (Beilstein Handbook Reference) BENZOIC ACID, 3,4-DICHLORO-, 2,3-DIHYDRO-3-OXO-6-PYRIDAZINYL ESTER BRN 0813542