| abstract |
A compound of the formula In nwherein:n nuc is the residue of a nucleoside analogue bonded through its single hydroxy group on thencyclic or acyclic saccharide moiety, R 1 is hydroxy, amino or carboxy; optionally having esterified/amide bonded thereon a C 4 -C 22 nsaturated or unsaturated, optionally substituted fatty acid or alcohol, or an aliphatic L-aminonacid; R 2 is the residue of an aliphatic L-amino acid; L 1 is a trifunctional linker group; L 2 is absent or a difunctional linker group; nand pharmaceutically acceptable salts thereof. |