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ChEBI: 4-Methoxy-N-phenylbenzamide in which the hydrogen at the 2 position of the phenyl group is substituted by a 2-(1-methylpiperidin-2-yl)ethyl group. A class Ic antiarrhythmic, the hydrochloride was used for the treatment of severe or life- hreatening ventricular arrhythmias, but it was associated with increased death rates in patients who had asymptomatic heart rhythm abnormalities after a recent heart attack and was withdrawn from the market.