| abstract |
A compound comprising formula (I): wherein R1 is an alkylamino group or a group containing at least one aromatic group; R2 and R3 are independently an aliphatic group or hydrophobic group; R4 and R5 are independently H, a substituted or unsubstituted alkyl group, an alkenyl group, an acyl group, or an aromatic group, or includes a polymer, a targeting group, or a detectable moiety, and at least one of R4 and R5 includes a targeting group that targets and/or binds to a retinal or visual protein; a, b, c, and d are independently an integer from 1 to 10; and pharmaceutically acceptable salts thereof. |