Patent ID: 7786321

Claim:
A compound chosen from compounds of formula (I): wherein: Y is O, R 1 is H, methyl, ethyl, propyl, or isopropyl, R 2 is a linear, or branched C 1-18 alkyl, R 3 is a radical chosen from those of formulae (II) and (III): (II) -A-C 6 H (5-y) —B y wherein y is 0 and A is —CH 2 , —CH 2 CH 2 , or —CH 2 CH 2 CH 2 , and (III) —C 6 H (5-y′) —B y′ wherein y′ is 0 or 1, and B is a perfluorinated hydrocarbon-based radical chosen from a methyl, theyl, propyl or isopropyl radical, X is —OH or —OR 4 wherein R 4 is a linear, branched, or cyclic C 1-6 alkyl, the mineral acid and organic acid salts thereof, and the optical isomers thereof, in isolated form and as a racemic mixture.