The molecule is a keto-D-gluconate that is the conjugate base of 3-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group. It is a keto-D-gluconate and a 3-oxo monocarboxylic acid anion. It is a conjugate base of a 3-dehydro-D-gluconic acid.
(2R,4R,5R)-2,4,5,6-tetrahydroxy-3-oxohexanoate