The molecule is a ketoaldonic acid that is rhamnonic acid which is lacking the 3-hydroxy group, while those at positions 2 and 4 have been oxidised to the corresponding ketones. It has a role as a bacterial metabolite. It is a hexonic acid and a ketoaldonic acid. It derives from a rhamnonic acid. It is a conjugate acid of a 2,4-didehydro-3-deoxy-L-rhamnonate.
(5S)-5-hydroxy-2,4-dioxohexanoic acid