The molecule is a carbapenemcarboxylic acid that is the 3-carboxy derivative of 2,3-didehydro-1-carbapenam. It is a carbapenemcarboxylic acid and an alpha,beta-unsaturated monocarboxylic acid. It is a conjugate acid of a (5R)-carbapenem-3-carboxylate.
(5R)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid