4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta(S*)))-, mixt. with 4-((dipropylamino)sulfonyl)benzoic acid 80042-41-7 Prototapen