DIAMINE DERIVATIVES

摘要

Compounds of the following general formula and salts thereof: in which R1 and R2 which may be the same or different are each an alkyl group having 1 to 3 carbon atoms; R3 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; R4 and R5 which may be the same or different are each a hydrogen atom or an alkyl group having 1 to 8 carbon atoms; m and n which may be the same or different are each an integer of 1 to 7; provided that R4 and R5 are not a hydrogen atom at the same time; the compounds exhibit desirably strong effects for treating arrythmias and minimum undesirable side effects and thus are useful in the treatment of arrythmias.