Lorajmine (17-monochloroacetylajmaline) is a drug that is a potent sodium channel blocker (more specifically, a class Ia antiarrhythmic agent) that was used for treating arrhythmia.Medical Dictionary Online: LorajmineWorld Health Organization: ATC/DDD Index It is derived from ajmaline, an alkaloid from the roots of Rauvolfia serpentina, by synthetically adding a chloroacetate residue.
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