abstract |
Hyaluronic acid derivative comprising n repetitive units and having the general structural formula (I): ** see formula ** where, in at least one repetitive unit, one or more of R1, R2, R3, R4 comprises an aryl / alkyl sulfone attached to an ether having the general structural formula (II), where R comprises an alkyl or aryl group, and on the contrary R1, R2, R3, R4 are hydroxyl groups, OH: ** see formula ** |