Patent ID: 8889828

Claim:
A pharmaceutical composition, comprising a pharmaceutically acceptable carrier, and an effective amount of a compound having a formula 1A: wherein U 1 is one of —NHAc and (Asp-NHAc) J , U 2 is one selected from a group consisting of -Lys(Lys(AspNHAc) 2 ) 2 , -Lys-(Asp-NHAc) J , —NHAc, -Lys-(Asp-) K -NHAc and (Asp-NHAc) J , and U 3 is one selected from a group consisting of -Lys(Lys(AspNHAc) 2 ) 2 , -Lys-(Asp-NHAc) J , —NHAc, -Lys-(Asp-) K -NHAc and (Asp-NHAc) J , where J is one of 1 and 2, 20≧K≧1, and J and K are natural numbers, and Asp represents an aspartic acid, Lys represents a lysine, and Gly represents a glycine.