4-[4-(2-Hydroxyethyl)-1H-pyrrole-3-carbonyloxyMethyl]-1H-pyrrole-3-carboxylic Acid (Clavulanic Acid IMpurity)

4-[4-(2-Hydroxyethyl)-1H-pyrrole-3-carbonyloxyMethyl]-1H-pyrrole-3-carboxylic Acid (Clavulanic Acid IMpurity) · CAS 1260857-16-6