Illustrated Glossary of Organic Chemistry

Furanose: A cyclic carbohydrate containing a tetrahydrofuran ring. The name is derived from furan (an aromatic heterocycle) and -ose (denoting a carbohydrate).

Furan		A segment of single-strand DNA

Tetrahydrofuran

α-D-Fructofuranose

Sucrose (2,1'-β-D-fructofuranosyl-α-D-glucopyranoside)