Patent ID: 8268801

Claim:
A compound of general formula (I): wherein: R 2 ′, R 3 ′, identical or different, are independently chosen from H, SO 3 H or SO 3 − /M + , provided that at least one of R 2 ′, R 3 ′ is SO 3 H or SO 3 − /M + ; M + is the cation of a metal, such as Na + , K + ; R 2 , R 3 , identical or different, are independently chosen from: a) fatty acyl groups b) where X is an unsaturated linear or ramified hydrocarbon chain optionally substituted with one or more substituents; where at least one of R 2 , R 3 is b); and its enantiomers, diastereoisomers, mixtures thereof and pharmaceutically acceptable salts or esters.