sentences:  Lorajmine
  
  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.It is derived from ajmaline, an alkaloid from the roots of "Rauvolfia serpentina", by synthetically adding a chloroacetate residue.