Patent ID: 7049460

Claim:
A pharmaceutical composition comprising at least one compound of the formula (I) in which the substituents —CH 2 X 1 and —NHC(NH)NH 2 are arranged in a para position to each other; Ar is an aromatic or heteroaromatic ring system having a single ring; X 1 is NR 3 R 4 , OR 3 , SR 3 , COOR 3 , CONR 3 R 4 or COR 5 , where R 3 is H or a group of the formula II, IIIa, IIIb or IIIc: where X 2 is NH, NR 4 , O or S, X 3 is NH, NR 4 , O, S, CO, COO, CONH OR CONR 4 , Y is C(R 8 ) 2 , R 4 is H or an alkyl, alkenyl or alkynyl radical, R 7 is H or an alkyl, alkenyl, alkynyl, aryl or/and heteroaryl radical or —SO 2 —R 9 , R 8 is in each case independently H, halogen or an alkyl, alkenyl, alkynyl, aryl or/and heteroaryl radical, R 9 is H or an alkyl, alkenyl, alkynyl, aryl or/and heteroaryl radical and n is an integer from 0 to 2, R 5 is H, an alkyl, alkenyl, alkynyl, carboxyalkyl, carboxyalkenyl, carboxyalkynyl, carboxyaryl or carboxyheteroaryl radical; R 2 is halogen, C(R 6 ) 3 , C 2 (R 6 ) 5 , OC(R 6 ) 3 or OC 2 (R 6 ) 5 , where R 6 is in each case independently H or halogen and m is an integer from 0 to 4; or a salts of said at least one compound, and a pharmaceutically acceptable carrier therefor.