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3,4-Dichlorobenzonitrile (3,4-DCBN) is an aromatic nitrile that can be prepared from 3,4-dichlorobenzamide.
D 2578 (OTTO) 3,4-Dichlorobenzonitrile, 97% Cas 6574-99-8 - used in the preparation of 3,4-difluorobenzonitrile.