Polyhydroxy dicarboxylic acids having the general formula HOC(=O)[CH(OH)]nC(=O)OH, formally derived from an @A00213@ by @O04362@ of both terminal carbon atoms to carboxyl groups.
Sources: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1312 [Terms] [Paper] White Book, 2nd ed., p. 142 [Terms] [Book]