英文名称:4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 7-oxo-6-[(phenoxyacetyl)amino]-, monopotassium salt (9CI); 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 7-oxo-6-(2-phenoxyacetamido)-, monopotassium salt (8CI); BisnorpenicillinV potassium salt