4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(((((2-oxo-2H-1-benzopyran-3-yl)carbonyl)amino)phenylacetyl)amino)-, monosodium salt, (2S-(2alpha,5alpha,6beta(S*)))- 67609-13-6 Sodium 6-(D-(-)-alpha-(coumarin-3-carboxamide)phenylacetamide)penicillanate Tei 1194 Tei-1194