| 释义 |
penillic acids pe·nil·lic ac·ids (pe-nil'ik as'idz), Acid degradation products of penicillins, produced by cleavage of the 1,7 bond, forming penicilloic acid, and formation of a bond between the exocyclic carbonyl carbon and N-1 with elimination of H2O from those two positions and the exocyclic NH. |