New pentasaccharides, their methods of production and pharmaceutical compositions containing same

摘要

The invention relates to a pentasaccharide in an acid form and its pharmaceutically acceptable salts, the anionic form of which is described by formula (I), in which R1 is (C1-C3) alkyl; R is hydrogen, an -SO3- group, (C1-C3) alkyl or (C2-C3) acyl; T is hydrogen or an ethyl group; and n is 1 or 2.