The molecule is a monocarboxylic acid anion that is the conjugate base of clavaldehyde, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a clavaldehyde.
(2R,3Z,5R)-7-oxo-3-(2-oxoethylidene)-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylate