Illustrated Glossary of Organic Chemistry

Pyranose: A cyclic carbohydrate containing a tetrahydropyran ring. The name is derived from pyran and -ose (denoting a carbohydrate).

Sucrose (2,1'-β-D-fructofuranosyl-α-D-glucopyranoside).		Cellulose, a β-D-glucopyranose biopolymer.