Di-amine and tetra-amine derivatives and pharmaceuticals thereof, useful for treating cardiac arrhythmia

摘要

The compounds of the formulae (I) and/or (II) are useful for the treatment of cardiac arrhythmia. R and R' may be the same or different and are H, alkyl, fluoroalkyl or aralkyl. R1 - R4 may be the same or different and are H, R or R'; m and n may be the same or different and are integers from 2 to 10; and x, y and z may be the same or different and are integers from 0 to 8.