@M04021@ in which a structure containing a @K03382@ group and a carboxylic acid group is in equilibrium with a @H02774@ structure. Specific compounds are named using the -ulosonic acid suffix. E.g. d-arabino-hexulosonic acid:
See also:
oxo compounds
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1346 [Terms] [Paper]