Patent ID: 8088747

Claim:
A compound with the general formula (1): in which: X is equal to zero or one; Z represents an O, an S or a CH 2 , R 1 and R 2 , which can be identical or different, represent one of the following substituents: OH OY with Y representing a protector group; OR 3 , R 3 representing a monosaccharide or disaccharide substituent; A 1 -CH 2 —N + (CH 3 ) 3 X − , X representing a halogen, A 1 representing an amide (NHC(O)) or ester (OC(O))bond; OPO(OM) 2 , M representing an alkaline metal cation or alkaline-earth metal; OP(O)O − —O(CH 2 ) 2 —N + (CH 3 ) 3 , A 2 -(PEG X1 -A 3 ) n -R 4 , n being equal to 0 or 1, PEG X1 being a polyethyleneglycol of molecular weight X 1 , X 1 being less than or equal to 5,000 daltons, A 2 and A 3 being identical or different and representing one ether (O), ester (OC(O)), amide (NHC(O)), urea (NHC(O)NH), thiourea (NHC(S)NH), or thioether (S) bond, R 4 representing a targeting agent.