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.
Crystal structures of the sugar moiety of 2′-fluoro guanosine and 2′-fluoroarabino guanosine. Hydrogen atoms are represented in white, oxygen in red, fluorine in green and nitrogen in blue. The bottom two rows show Newman projections across two different bonds for the two modifications.
