Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Chemical synthesis, depolymerization and enzymatic depolymerization of ultra-low molecular weight heparin and low molecular weight heparin. A. Summary of a convergent multi-step chemical synthesis of Arixtra from cellobiose derivative (reagents not shown). B. Enzymatic (I) and chemical (III) depolymerization to prepare low molecular heparins from unfractionated heparin (II).
