| 摘要 |
<p>A compound or a salt thereof comprising a polyamine containing at least 2 electron-affinic groups is provided. In a preferred embodiment, the polyamine compound has structure (1), wherein, A is a spacer; R?1, R2, R¿3, and R4 are independently hydrogen, hydrocarbon, heterosubstituted hydrocarbon, heteroaryl, heterosubstituted heteroaryl, or an electron-affinic group containing substituent; and the compound contains at least one tertiary amine functionality having three substituents each of which independently contain at least one electron-affinic group or hydrophilic group.</p> |
