Patent ID: 8883846

Claim:
A compound, having a formula where each V independently is selected from CR 11 R 12 , C(R 11 )CR 12 R 13 , C(R 13 ) 2 , SO 2 , SO, S, O, NR 11 , CO, or Se; R 1 is selected from CO 2 H, SO 2 H, SO 3 H, PO 3 H 2 , aliphatic esters, or aliphatic amides; R 2 is selected from H, OH, SH or aliphatic amine; R 3 and R 4 independently are selected from hydrogen, or alkyl; R 5 is selected from NH 2 , (CH 2 ) n N(R 11 ) m (H) (2-m) , (CH 2 ) n NHC(O)(R 11 ), (CH 2 ) n NC(═NR 11 )N(R 11 ) m (H) (2-m) , (CH 2 ) n NHC(O)Z(R 11 ), (CH 2 ) n ZH, where Z is selected from O, S, Se, or NR 11 , guanidino, substituted guanidino, alkyl, cyclic alkyl, alkenyl, alkynyl, aryl, or heteroaryl; R 6 is selected from H, alkyl or (CH 2 ) n OH; R 7 and R 8 independently are selected from H, alkyl, cyclic alkyl, aryl, heteroaryl, (CH 2 ) n Y, (CH 2 ) n ZY, (CH 2 ) n CR 11 Z, (CH) 2 ZH, [CH 2 ] n [CH(ZH)] m CH 2 ZH, [CH 2 ] n [CH(ZH)] m CH 2 Y, where Y is selected from aryl, heteroaryl, alkyl, cyclic alkyl, heterocyclic, amino or guanidino, and Z is selected from O, S, Se, or NR 11 , or R 7 and R 8 together represent a cyclic alkyl group; R 10 is selected from H, alkyl or (CH 2 ) n OH; R 11 is selected from H, alkyl, cyclic alkyl, or aryl; R 12 is selected from H, (CH 2 ) n ZH, (CH 2 ) n ZR 11 , (CH 2 ) n Z(CO)R 11 , (CH 2 ) n Z(SO 2 )R 11 , (CH 2 ) n Z(CO)NH 2 , (CH 2 ) n Z(CO)OR 11 , or (CH 2 ) n Z(CNH)NH 2 , where Z [H] is selected from O, S, Se, or NR 11 ; R 13 is selected from H, alkyl, cyclic alkyl, alkenyl, alkynyl, aryl, or any combination thereof; n=0, 1 or 2; and m=0, 1 or 2.