2085P 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (2S-(2alpha,5alpha,6beta(S*)))-, mono((2S-(2alpha,5alpha,6beta))-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate) 77442-45-6 VD 2085 VD-2085