The molecule is an organic heterobicyclic compound that is clavulanic acid in which the allylic alcohol group has been oxidised to the corresponding aldehyde. It has a role as a bacterial metabolite. It is an enal, an organic heterobicyclic compound, a beta-lactam and an oxo monocarboxylic acid. It is a conjugate acid of a clavaldehyde(1-).
(2R,3Z,5R)-7-oxo-3-(2-oxoethylidene)-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid