Patent ID: 7365055

Claim:
Compound of formula (A): in which: all of formula (A), with the exception of the substituent X, is called M6G-N(R 2 )R 1 —S— R 1 is a linear or branched C 1 -C 10 alkyl group, unsubstituted or substituted by at least one substituent, the alkyl chain being optionally interrupted by one or more heteroatoms including O, S or N; R 2 is hydrogen, a linear or branched C 1 -C 5 alkyl group or an aryl, heteroaryl or (C 1 -C 5 ) alkylaryl group, unsubstituted or substituted by a C 1 -C 4 alkyl; X is hydrogen, an M6G-N(R 2 )R 1 —S— residue or a polymer linked with the rest of formula (A) by a spacer arm; the asymmetric carbons present in the formula (A) can have the R or S configuration, or pharmaceutically acceptable salts of formula (A).