摘要 |
Compositions of heparins of very low molecular weight, with the formula I, in which, n may vary between 1 and 12; R1=H or SO3Na; R2=SO3Na or COCH3. Such compositions of heparin are composed of mixtures of oligosaccharides or fragments of heparin and are characterised by having anti-Xa activity and anti-factor IIa activity and because they can be used as anti-thrombic medicaments.
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