title: [Studies on beta-lactam antibiotics for medicinal purpose. V. Structure of degradation products of 6-[D(--)-alpha-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)phenylacetamido]penicillanic acid (T-1220) in aqueous solution (author's transl)].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D010406:Penicillins; D012996:Solutions; D014867:Water
chemical_list: D010406:Penicillins; D012996:Solutions; D014867:Water