Patent ID: 8350032

Claim:
A compound of Formula 1, wherein: each of R 1 , R 2 , R 3 , R 4 , X 1 , and X 2 is independently hydrogen, —OH, C1-C6 alkyl, C1-C6 acyl, C1-C6 alkoxycarbonyl, C1-C6 hydroxyalkyl, C1-C6 polyhydroxyalkyl, C1-C6 carboxyalkyl, C1-C6 aminoalkyl, C5-C10 aryl, —(CH 2 ) m —Y—C(═NH)NH 2 , —(CH 2 ) m (CHR 5 ) n —Y—C(═NH)NH 2 , —(CH 2 ) m (CHR 5 ) n —Y—NHC(═NH)NH 2 , —(CH 2 ) m —Y—NHC(═NH)NH 2 , —O—(CHR 5 )n-Y—C(═NH)NH 2 , —O—(CHR 5 )n-Y—NHC(═NH)NH 2 , —N(R 6 )—(CH 2 ) m (CHR 5 ) n —Y—C(═NH)NH 2 , or —N(R 7 )—(CH 2 ) m (CHR 5 ) n —Y—NHC(═NH)NH 2 ; Y is with the proviso that at least one of R 1 , R 2 , R 3 , R 4 , X 1 , or X 2 is —(CH 2 ) m —Y—C(═NH)NH 2 , —(CH 2 ) m (CHR 5 ) n —Y—C(═NH)NH 2 , —(CH 2 ) m (CHR 5 ) n —Y—NHC(═NH)NH 2 , —(CH 2 ) m —Y—NHC(═NH)NH 2 , —O—(CHR 5 )n-Y—C(═NH)NH 2 , —O—(CHR 5 ) n —Y—NHC(═NH)NH 2 , —N(R 6 )—(CH 2 ) m (CHR 5 ) n —Y—C(═NH)NH 2 , or —N(R 7 )—(CH 2 ) m (CHR 5 ) n —Y—NHC(═NH)NH 2 ; each of ‘m,’ ‘n,’ and ‘p’ is independently 0, 1, 2, 3, 4, 5, or 6; R 5 is hydroxyl, C1-C6 hydroxyalkyl, carboxyl, C1-C6 carboxyalkyl, amino, or C1-C6 aminoalkyl; and each of R 6 and R 7 is independently hydrogen, C1-C6 alkyl, C1-C6 acyl, C1-C6 alkoxycarbonyl, C1-C6 hydroxyalkyl, C1-C6 polyhydroxyalkyl, C1-C6 carboxyalkyl, C1-C6 aminoalkyl, or C5-C10 aryl.