Coinpounds with uilsubstituted arnidine groups have been employed as chemothera- peutic agents (1) but there have been relatively few investigations of N-substituted amidines. Some bacteriostatically active N-substituted rnonoainidines were found (2) to be too toxic for use in guinea pig infections. A series of N,N1-bis-(a1l;yl)-adipamidines and -sebacamidiiles has been patented (3) for use in disinfectant compositions, and high bacteriostatic activity has been ...