title: [Studies on beta-lactam antibiotics for medicinal purpose. X. Stability and degradation pattern of sodium 7-[D(--)-alpha-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-alpha-(4-hydroxyphenyl)acetamido]-3-[(1-methyl-1H-tetrazol-5-yl)thiomethyl]-3-cephem-4-carboxylate (T-1551) in aqueous solution (author's transl)].
mesh_terms: D000900:Anti-Bacterial Agents; D002438:Cefoperazone; D002511:Cephalosporins; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D012996:Solutions; D014867:Water; D047090:beta-Lactams
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D012996:Solutions; D047090:beta-Lactams; D014867:Water; D002438:Cefoperazone