The molecule is a ketoaldonic acid that is rhamnonic acid which is lacking the 3-hydroxy group, has a keto group at the 2-position and L-configuration. It is a ketoaldonic acid and a hexonic acid. It derives from a rhamnonic acid. It is a conjugate acid of a 2-dehydro-3-deoxy-L-rhamnonate.
(4R,5S)-4,5-dihydroxy-2-oxohexanoic acid