Patent ID: 7964630

Claim:
Compounds of general formula (I) wherein X represents a bond or NH—CH(C═O)—(CH 2 ) 3+n NH—R 5 , n represents 0, 1 or 2, R 1 , R 4 and R 5 —independently from each other—represent hydrogen, optionally substituted C 1 -C 6 -alkyl, amindino or tetra-C 1 -C 6 -alkylamidinium, R 2 represents hydrogen, or C 1 -C 6 -alkyl, or hydroxy-, amino-, guanidino-, methylthio-, carboxyl- or carbamoyl-substituted C 1 -C 6 -alkyl, or substituted heteroaryl-substituted C 1 -C 6 -alkyl, or R 1 and R 2 together with the residue to which they are bound represent a 5- to 7-membered, saturated ring, R 3 represents optionally substituted aryl-C 1 -C 6 -alkylamino, and R 6 represents hydrogen or, when n is 1, also amino or together with R 1 and the residue to which R 6 and R 1 are bound a 5- to 7-membered, saturated ring.