4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((((((2-furancarbonyl)amino)carbonyl)amino)phenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta(S*)))- 54661-82-4 6-(D-alpha(3-(2-Furoyl)ureido)phenylacetamido)penicillinic acid potassium salt BL-P1597 Furbenicillin